US strikes on Venezuelan ‘drug boats’ have killed 14 people. What is Trump trying to do?

Source: The Conversation – Global Perspectives – By Philip Johnson, Lecturer, College of Business, Government and Law, Flinders University

A screenshot of a video reportedly showing an airstrike on a boat. Donald Trump/Truth Social

In the past few weeks, the United States military has been involved in multiple fatal strikes on boats in international waters off the coast of Venezuela.

The first airstrike was on September 5 and killed 11 people. The second occurred this week, killing three people. No efforts were made to apprehend the vessels or identify the people before the strikes.

President Donald Trump has claimed the boats and the people on them were trafficking illegal drugs bound for the US, dubbing them “narcoterrorists”.

The White House has provided little detail about the attacks in general, and no evidence the boats were trafficking drugs. It’s possible they weren’t.

Here’s what’s going on in the region and what might happen next.

Why is this happening now?

During the 2024 presidential election campaign, Trump repeatedly promised to crack down on immigration from Latin America.

He often drew a connection between crime and immigration, especially from Haiti and Venezuela (though some of the cases of gang crime he cited have since been questioned or debunked).

Once in office, Trump declared a number of gangs as terrorist organisations, including one Venezuelan group, Tren de Aragua.

The Trump government has claimed that Venezuelans deported from the US were members of Tren de Aragua, often without much substantial evidence.

Trump has also entertained the idea of using the US military to target criminal groups.

This is now reality, through a large military buildup deploying multiple warships, submarines and fighter jets to the Caribbean.

A tumultuous history

This is the latest chapter in a long and sometimes hostile relationship between Venezuela and the US.

Venezuela holds the world’s largest proven oil reserves, affording the country political and economic influence within the region. This has made Venezuela a valued ally, and sometimes a competitor, to the United States.

But for the past two decades or so, relations have been more antagonistic.

When left-wing populist President Hugo Chavez was in power in Venezuela in 2002, the US was accused of giving tacit approval to a coup attempt against him.

America has also imposed economic sanctions against the country since 2005. These particularly ramped up under Trump’s first administration against Chavez’s successor and current president, Nicolas Maduro.

While less popular than his predecessor, Maduro remains extremely powerful. US attempts to destabilise his government, including one in 2019, have been unsuccessful.

Although many in Venezuela would welcome a change of government, any US intervention in the region is likely to be immensely unpopular. It provides a nationalist rallying point for Maduro: a way to boost his local support.

What do we know about the gang?

Trump claims both boats were operated by the Tren de Aragua gang.

The group started in Venezuelan prisons before spreading across other Latin American countries, primarily through people fleeing Maduro’s authoritarian regime.

Estimates of the size of the gang are contested and hard to measure, but best guesses put it at around 5,000 members.

Tren de Aragua members have been identified in 16 US states, but there has been little conclusive evidence of large-scale criminal or terrorist activity. In New York, Tren de Aragua has primarily been associated with retail theft.

Why is the US bombing boats?

Destroying individual boats is unlikely to have an impact on drug trafficking into the US. Most fentanyl, for example, is trafficked into the US over land borders by US citizens.

However, bombing the boats does reinforce the idea of an existential threat to the United States that can only be defeated with violence. The same sense of threat is used to justify the deportation of hundreds of Venezuelans to brutal prisons in El Salvador.

The Venezuelan government is of less concern to Trump. Indeed, the White House has authorised increased imports of Venezuelan oil in recent weeks.

Others within the US government are more committed to regime change in Venezuela. For Secretary of State, Marco Rubio, the military operations are a direct effort to destabilise what he sees as an illegitimate Venezuelan regime.

Is it legal?

These airstrikes are the first unilateral US military action in Latin America since the invasion of Panama in 1989.

However, the military operations fit within a much longer history of overt and covert intervention in the region.

Scholars have said the decision to attack the boats was likely illegal under the law of the sea.

The US government justifies the attack in the broadest terms: Venezuelan gangs traffic drugs that can kill American citizens, therefore any violence is warranted to prevent this. This is an argument not about legality, but urgent security.

Impunity is the larger point, a display of power in itself. After the first strike, Vice President JD Vance declared “I don’t give a shit what you call it”.

Trump and Rubio have both asserted the strikes will continue, without concern for the possibility that they could be considered war crimes.

Without a clear prospect of legal jeopardy, the strikes will remain available as a way to project US power. The strikes will likely stop, or pause, when the government wants to claim that it has achieved some victory.

The Conversation

Philip Johnson does not work for, consult, own shares in or receive funding from any company or organisation that would benefit from this article, and has disclosed no relevant affiliations beyond their academic appointment.

ref. US strikes on Venezuelan ‘drug boats’ have killed 14 people. What is Trump trying to do? – https://theconversation.com/us-strikes-on-venezuelan-drug-boats-have-killed-14-people-what-is-trump-trying-to-do-265481

Court rulings increasingly demand scientific certainty – but that’s not always possible

Source: The Conversation – Global Perspectives – By Sarah Wilson, PhD Candidate in Emerging Technologies Governance, Institue for Sustainable Futures, University of Technology Sydney

melanfolia/Unsplash

Last month, courts on both sides of the Atlantic delivered a clear verdict: when classifying titanium dioxide as carcinogenic, regulatory agencies had overreached.

These parallel legal defeats expose deeper questions about who gets to interpret contested science.

In the modern world, legal decisions – especially ones dealing with regulation – are increasingly based on complex science. But sometimes, the science isn’t settled. When certainty remains elusive, who gets to be the authority?

The case of titanium dioxide

Titanium dioxide lies at the heart of the recent legal challenges. It’s a white mineral powder used in many everyday products such as paint, sunscreen, toothpaste and even food.

For decades, titanium dioxide was considered safe. However, in the early 2000s, with the advent of nanomaterials science, it became widely available in nanoparticle form. And scientists found that typical titanium dioxide powder contains some nanoparticles too.

Research emerged showing these tiny titanium dioxide particles may interact with biological systems differently compared with their larger counterparts. This sparked controversy about a substance previously thought to be safe.

The turning point came in 2010, when the International Agency for Research on Cancer (IARC) classified titanium dioxide as “possibly carcinogenic to humans”. This means there’s limited evidence for human carcinogenicity, but there could be some evidence from animal studies, or simply evidence that the substance has the characteristics of a carcinogen.




Read more:
Does this cause cancer? How scientists determine whether a chemical is carcinogenic – sometimes with controversial results


In the case of titanium dioxide, the classification was primarily based on studies in rats. The animals had more lung tumours when they breathed in high concentrations of titanium dioxide particles.

Naturally, regulators responded. California added airborne titanium dioxide of certain particle sizes to its Proposition 65 list in 2011. This meant products with it, such as spray-on sunscreens and cosmetic powders, would need warning labels.

A Reddit user posted the State of California’s cancer warning about titanium dioxide in their acoustic guitar.
AcousticGuitars/Reddit

Eight years later, the European Commission also classified titanium dioxide powder as a suspected carcinogen. This resulted in mandatory warning labels on products with titanium dioxide powder sold in Europe.

Decisive – or not so much?

A warning label might seem decisive. However, beneath it lies a profound scientific uncertainty. It’s a common challenge with emerging fields such as nanoscience.

For titanium dioxide, the uncertainty manifested in two ways.

First, as with many suspected carcinogens, the IARC classification ignited debate within the scientific community. Could animal study results meaningfully predict human cancer risk? Animal studies often demonstrate a strong mechanism for harm, but it’s not possible to test directly in humans. That makes it tricky to establish cause and effect.




Read more:
If ‘correlation doesn’t imply causation’, how do scientists figure out why things happen?


Second, studies on nano titanium dioxide toxicity continue to yield inconsistent and contradictory findings. Current research shows toxicity heavily depends on several factors, from exposure to individual susceptibility.

Evidence in the courts

The scientific complexity on titanium dioxide created fertile ground for legal challenges. Industry groups contested both “carcinogenic” rulings, arguing regulators had misinterpreted the science.

The courts ultimately agreed. On August 1 2025, Europe’s highest court sided with the titanium dioxide industry. It found European regulators had failed to consider all relevant factors when assessing scientific evidence.

This ruling hinged on something highly technical. The courts found regulators had used an incorrect particle density value when calculating lung overload in rat studies. This undermined their assessment of whether the animal data reliably predicted human cancer risk. The court nullified the classification entirely.

Similarly, on August 12 2025, a US federal court struck down warning requirements for titanium dioxide in cosmetics.

While acknowledging the warnings were technically accurate sentence-by-sentence, the court found the underlying science didn’t meet the established legal standard of being “purely factual and uncontroversial”.

In part, the warnings were deemed “controversial” because significant scientific debate persists.

The legal landscape is changing

These court rulings represent a critical evolution in regulatory science.

In their initial classification decisions, the US and European agencies prioritised precaution. They recognised that animal studies typically come before human evidence, and that research on nano titanium dioxide was still emerging.

They followed the proper established processes and made reasonable decisions under uncertainty.

In both cases, the courts used legal knowledge standards to reject these scientific applications. This blurs the boundary between science and how courts oversee regulatory processes.

Critics argue courts “are not scientists” and lack the expertise to make these types of decisions. Judges are trained for legal complexity and shouldn’t replace the decisions of trained scientific committees in areas of scientific uncertainty.

When courts and science intertwine

Rulings such as the ones on titanium dioxide raise several important questions for our legal system.

How much do judges really understand science? Should judges be able to override trained scientists to resolve technical disputes? Or does judicial oversight effectively balance against regulatory overreach in complex scientific contexts?

When should regulators act on complex science? Since the 1950s, many toxic substances present this dilemma: controlled human studies are unethical, and widespread exposure eliminates the unexposed control groups needed for comparison. Should agencies wait for definitive proof – which may not be possible to obtain – or act on evidence of potential harm to protect public health?

Can scientists effectively communicate uncertainty? Emerging science is in a constant state of uncertainty. By contrast, legal systems require definitive decisions within specific timeframes. When scientific consensus is lacking, how can scientists help regulators and courts proceed?

These questions aren’t just about interpreting science. As complex technologies continue to be integrated into our daily lives, scientific uncertainty could increasingly become a legal concern. How do we make sure our legal institutions are up to the task?

This is a big challenge, but one thing is clear: scientific and legal experts must work together to find the solution.

The Conversation

Rachael Wakefield-Rann receives research funding from various government and non-government organisations. She does not work for, consult, own shares in or receive funding from any company or organisation that would financially benefit from this article, and has disclosed no relevant affiliations beyond her academic appointment.

Sarah Wilson does not work for, consult, own shares in or receive funding from any company or organisation that would benefit from this article, and has disclosed no relevant affiliations beyond their academic appointment.

ref. Court rulings increasingly demand scientific certainty – but that’s not always possible – https://theconversation.com/court-rulings-increasingly-demand-scientific-certainty-but-thats-not-always-possible-264991

Magical alchemy: Arundhati Roy’s compelling memoir illuminates a ‘restless, unruly’ life

Source: The Conversation – Global Perspectives – By Debjani Ganguly, Professor of Literature, Australian Catholic University

Photo: Mayank Austen Soofi

“She was my shelter and my storm.” With these words in the opening pages of her memoir, Arundhati Roy unfurls a narrative of extraordinary filial bonds that renders trite those therapeutic memoirs of family dysfunction scattered across the publishing world.

Even Philip Larkin’s memorable poem beginning with, “They f..k you up, your mum and dad,” does not come close, though Roy’s anger is recognisable in these lines with which Larkin’s poem ends: “Get out as early as you can / And don’t have any kids yourself.”


Review: Mother Mary Comes to Me – Arundhati Roy (Penguin Random House)


Roy walked away from her abusive maternal home in Kerala at the age of 17. While training as an architect in Delhi she did not see her mother for the next seven years. She also never had children. When her lover’s young daughters ask her if she is their new mother, she quickly disavows her role and requests they call her “Noonie,” a word from a folk song in Massey Sahib, the film in which Roy acted in her early twenties.

Roy’s memoir is a powerful rendition of her mother, Mary Roy, who terrifies her children and compels them to find their place in the world bereft of the push and pull of natal intimacy. Yet when Mary dies, Roy feels orphaned at the loss of her novelistic subject, that “unpredictable, irreplaceable spark of mad genius”.

Mary remains a formal “Mrs Roy” to her daughter except when she is terminally ill. Arundhati Roy calls her “Kochamma” then. Little Mother.

The work captures in its early pages the terror of living with a formidable parent who rages against motherhood, and who makes it very clear Arundhati was an unwanted second child, the one who barely escaped being aborted by a wire hanger.

But Mrs Roy, the divorcee with an alcoholic ex, and a single mother shunned even by her own family, was also a pioneering educator and feminist icon. Mary Roy established an experimental coeducational school in Kottayam in the southern Indian state of Kerala at a time when such women-led enterprises were unheard of. Her life revolved around the school and her office was her home.

Arundhati and her brother Lalith lived in the dorms with other pupils. Mrs Roy, who suffered from debilitating asthma attacks, revelled in the veneration of her pupils and devoted staff even as she showed no mercy when they erred or failed to meet her needs.

A few comic scenes in the memoir revolve around these acolytes. One is described as a “frightened minion carrying her asthma inhaler as though it were a crown or a sceptre”.

Two glum-looking children stand close to their mother.
A young Roy and her brother with her mother, Mary.
Courtesy of Arundhati Roy

As a child, Arundhati was so afraid she would be held responsible for Mrs Roy’s death if she suffered a fatal asthma attack she found herself breathing for her mother, becoming a “valiant organ-child”.

School and home merged in the early years of the children’s upbringing. They had no sanctuary against hard discipline and no privacy in which to cry in shame. For Arundhati, living with Mrs Roy was like picking her way through a

minefield without a map. My feet and fingers and sometimes even my head were often blown off, but after floating around untethered for a while, they would magically reattach themselves.

Before their life within the confines of the school, the children had roamed wild in their ancestral village of Ayemenem, memories of which Roy celebrates vividly in her Booker Prize-winning novel The God of Small Things.

Blowing up the gilded cage

The memoir alternates between vignettes of Mrs Roy’s excruciating cruelty towards Arundhati and her brother, and her astonishing courage in challenging the norms of the patriarchal Syrian Christian community that chewed her up and threw her out like roughage.

Mary Roy’s own childhood in an abusive home where her entomologist father beat her and her mother – routinely throwing them out of the house in the dark of the night – sharpened her determination to take on the entire legal establishment decades later. She challenged the Travancore Christian Succession Act of 1916 that denied daughters from the Syrian Christian community their rightful share of inheritances.

In 1986 she won a landmark case in the Supreme Court of India that gave Mary and countless other women in Kerala their inheritance rights. Mary’s brother and her widowed mother, who had once threatened to evict her from their family cottage when she was a young, single mother, experienced Mrs Roy’s delayed wrath when they were forced into penury by her action.

The memoir also cuts a swathe through the Arundhati Roy’s dual authorial self: screenplay writer and renowned novelist and activist-writer of narrative non-fiction. We get a fascinating backstage tour of her evolution as a writer, a lover, a friend, and a political conscience-keeper on the global stage – currently the bête noire of India’s right-wing government.

A young woman smoking a cigarette.
A younger Roy: the book charts her evolution as a political conscience-keeper.
Carlo Buldrini

Roy famously shunned her bird-in-a-golden-cage celebrity status after The God of Small Things won the Booker in 1997. At the turn of the millennium, she observed with dread the rise of the Hindu Right in her beloved country, especially the euphoria around India’s creation of the nuclear bomb in 1998. In 2001 she published her soul-stirring essay on 9/11, The Algebra of Infinite Justice.

What followed was an intimate and often precarious engagement with some of the iconic grassroots movements in contemporary India: the Narmada Bachao Andolan movement (Save the Narmada River), which opposed the building of a huge dam that would inundate the Narmada valley and destroy the habitation of millions across four Indian states and the Maoist Naxalites in India’s heartland, who engaged in guerrilla warfare to protect tribal lands from vast mining conglomerates.

In 2024, due to her advocacy on behalf of the Kashmiri people caught in the crossfire between India and Pakistan, the Modi government threatened to prosecute Roy under a draconian law reserved for anti-national activities.




Read more:
The prosecution of Arundhati Roy is business as usual for the Modi government – and bad news for freedom of expression in India


We begin to understand Roy’s intrepid embrace of danger, her shunning of domestic security and career comforts when she, at her most disarming, reveals to the reader that she cannot seem to help it.

With a childhood that felt like living on the edge of a ledge from which a fall was inevitable at any moment, she has grown accustomed to precarity. For years after The God of Small Things, she writes,

I wandered through forests and river valleys, villages and border towns, to try to better understand my country. As I travelled, I wrote. That was the beginning of my restless, unruly life as a seditious, traitor-writer. Free woman. Free Writing. Like Mother Mary taught me. I hadn’t just avoided the gilded age. I had blown it to smithereens.

Mary Roy’s volatility also helped incubate Arundhati’s novelistic self, a self that could stand apart and assess the turbulence around her. Towards the end of her memoir, she confesses that while she could never quite anticipate her mother’s changeable moods, she had learned “to stand outside the range of their clawing, lashing fury”.

‘Read this as you would a novel’

Some of the most compelling passages in the memoir are about Arundhati Roy’s quest for what she calls her prey, a grazing language-animal she struggled to find for ages.

Language, she claims, was rarely her friend, rarely amenable to taming. When she arrives at the realisation that she is ready to devote herself to The God of Small Things, she writes, “I knew then that I had hunted down my language-animal. I had disembowelled it and drunk its inky blood.”

Her language-animal has surrendered yet again to the power of her claw-pen. In Mother Mary Comes to Me, Roy’s novelistic self appears in full command as she steers the flow of rage, outrage, wonder, sorrow and joy with just the right touch, and at just the right moment, each time it threatens to overwhelm the narrative.

In her wry, inimitable style she writes,

most of us are a living, breathing soup of memory and imagination [..] so read this book as you would a novel. It makes no larger claim.

Not surprisingly, the magical alchemy of The God of Small Things reemerges at startling moments in this work. Unforgettable characters, images, turn of phrase, and the coruscating rhythm of the prose, remind us why Roy remains an indubitable literary force almost three decades after her blockbuster first novel.

The Conversation

Debjani Ganguly has received funding from the ARC and the Mellon and Chiang Ching Kuo Foundations.

ref. Magical alchemy: Arundhati Roy’s compelling memoir illuminates a ‘restless, unruly’ life – https://theconversation.com/magical-alchemy-arundhati-roys-compelling-memoir-illuminates-a-restless-unruly-life-262506

A booming longevity industry wants to sell us ‘immortality’. There could be hidden costs

Source: The Conversation – Global Perspectives – By Samuel Cornell, PhD Candidate in Public Health & Community Medicine, School of Population Health, UNSW Sydney

Lu ShaoJi/Getty

If you could, would you pay to live forever? Some Silicon Valley billionaires aren’t just making tech products – they’ve set their sights on immortality.

Social media is flooded with influencers promoting peptides, “functional” mushroom powders and other (often non-evidence-based) hacks said to maximise your lifespan. Some even claim to reverse your “biological age”.

The quest to live longer, look younger or just live one’s “best life” has become a booming industry, encompassing treatments as diverse as ice baths, saunas, cryotherapy chambers and even red light therapy.

But behind much of the marketing and social media posts are commercial interests willing to cater to a population fearful of ageing and dying.

Nobody lives forever

The key reason humans aren’t immortal hinges on evolution. This process favours genetic traits promoting successful reproduction and adaptation over those promoting unlimited lifespan for individuals.

The ancient Greeks told cautionary tales about life extension. Those who reached for immortality mostly found this came at a terrible cost. The mythical Tithonus, for example, was doomed to endless ageing and decline after being granted eternal life without eternal youth.

Fast forward to today, the longevity industry has the backing of venture capital funds, celebrity investors and pharmaceutical companies.

But much of this money is being funnelled into products and services with little or no evidence for how they actually improve health or lengthen lifespan.

In his well-publicised quest for life extension, US venture capitalist Bryan Johnson reportedly spends millions and undergoes constant medical testing with the impossible aim of never dying.

Johnson’s longevity regimen includes a hyper-controlled diet, hundreds of daily supplements and strict sleep and exercise routines. He has even received transfusions of his own son’s blood plasma.

We see three major problems with the longevity industry that are a cause for concern.

Profit before evidence

Innovation is central to the longevity industry, attracting an influx of Silicon Valley investors seeking to “hack” the ageing process. Yet, these innovations are infrequently backed by high-quality evidence.

For example, full-body MRI is marketed as a way to identify cancer and other abnormalities early before they are harder to treat. Yet, there is no evidence these scans improve health outcomes. Medical colleges around the world do not recommend full-body MRI in healthy individuals.

Tests like these can lead to “incidentalomas” – unexpected findings that may prompt unnecessary follow-up procedures, costs and anxiety.

The longevity industry pitches itself as a disruptive alternative to mainstream health care. But it still depends on that system to function. Scans, blood tests and experimental treatments inevitably flow back into hospitals and clinics for follow-up, specialist consultations and interventions.

This puts added strain on already stretched services – both financially and in terms of workforce – while arguably delivering little benefit to population health.

Technician analyses test tube in laboratory.
Unnecessary tests can divert precious resources from a health-care system already under strain.
Lourdes Balduque/Getty

Test and you shall find

Despite widespread public enthusiasm for screening tests, experts have long warned more testing does not always lead to better health.

One of the clearest risks is overdiagnosis – when an abnormality or disease is diagnosed that will never impact a person’s health during their lifetime. The more you test, the more you’ll find – much of it clinically irrelevant. This creates a self-affirming cycle.

Unnecessary investigations can result in overdiagnosis, incidental findings and potentially cascades of further unnecessary procedures or tests.




Read more:
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Longevity isn’t the same as prevention

Marketers of longevity claim their services and products are part of “preventive” medicine: spotting disease before it strikes and keeping people healthier for longer.

But the longevity movement differs drastically from the public health principle of prevention.

Prevention, in mainstream medicine, is about simple, evidence-based measures. This includes immunisations and screening for cancer at the right ages.

But there’s no clear evidence many of the exhaustive tests and treatments the longevity industry promotes improve long-term outcomes for otherwise healthy people.

They simply cost a lot of money, are resource intensive and may lead to further unnecessary testing.

Why this matters

By medicalising ageing, the longevity movement is a classic example of disease mongering. It also risks embedding ageism into everyday commerce – pathologising normal ageing rather than accepting it as part of life.

It also risks diverting attention and resources away from important and basic public health system functions that can improve quality of life for millions as we all gracefully age.

The hype around many unfounded longevity claims distracts us from what we already know works: regular exercise, healthy food, sound sleep, meaningful relationships and fair access to evidence-based medical treatment.

The Conversation

Samuel Cornell receives funding from an Australian Government Research Training Program Scholarship.

Brooke Nickel receives fellowship funding from the National Health and Medical Research Council (NHMRC). She is on the Executive Committee for Wiser Healthcare and the Scientific Committee of the Preventing Overdiagnosis Conference.

Sean Docking does not work for, consult, own shares in or receive funding from any company or organisation that would benefit from this article, and has disclosed no relevant affiliations beyond their academic appointment.

ref. A booming longevity industry wants to sell us ‘immortality’. There could be hidden costs – https://theconversation.com/a-booming-longevity-industry-wants-to-sell-us-immortality-there-could-be-hidden-costs-264879

Heat, air quality, insurance costs: how climate change is affecting our homes – and our health

Source: The Conversation – Global Perspectives – By Ang Li, ARC DECRA and Senior Research Fellow, NHMRC Centre of Research Excellence in Healthy Housing, Melbourne School of Population and Global Health, The University of Melbourne

This year, ten days of extreme heat in Europe killed roughly 2,300 people, severe flooding on the New South Wales coast left more than 48,000 stranded, and wildfires in Los Angeles destroyed at least 16,000 homes and other buildings.

Events such as these signal what climate scientists have long warned: climate-related extremes are becoming more frequent and intense.

Poor housing can leave us more vulnerable to the effects of climate change. So in today’s warming world, it’s increasingly important our homes and our housing system are climate resilient. This means they must protect us from heatwaves, floods and bushfires, and keep out air pollutants. And the housing system must function to provide affordable and secure housing.

Location is important too. Australia’s first National Climate Risk Assessment, released this week, estimates 8.7% of residential buildings are in very high-risk areas (prone to hazards). This proportion is projected to increase to 13.5% by 2090 in a scenario with a high global warming level.

Housing and health are inextricably linked. In a new paper published in the Lancet Public Health, my colleagues and I identify several ways climate change affects our homes, and in turn, our health.

On a basic level, housing shields us from the elements. But when we look at the bigger picture, resilient housing and housing systems have a key role to play in helping us face the challenges of climate change.

How does climate change affect our homes and our health?

Climate change can lead to deterioration in the indoor conditions in our homes.

For example, extreme temperatures can compromise air quality by making building materials more likely to degrade and generate pollutants. Particulate matter and other hazardous air pollutants from bushfire smoke can infiltrate indoor environments. Both of these processes can contribute to poor indoor air quality. This is not to mention that extreme heat outside can lead to unbearable temperatures indoors.

Meanwhile, floods, storms and cyclones can cause structural and water damage to homes. This can expose occupants to toxins, for example from contaminated water, and increase the risk of allergic reactions, respiratory problems, and infectious diseases (such as water-borne and mosquito-borne diseases).




Read more:
Eradicating mould would save millions in health-care costs: how our homes affect our health


Climate change and housing security

The risks associated with climate change can also influence housing security and affordability.

Both housing insecurity and unaffordability are significant predictors of poor mental health and wellbeing, and both are already significant problems independent of climate change.

But a changing climate exacerbates these problems. Equally, the housing crisis leaves us more vulnerable to climate change.

Climate-related disasters put a strain on housing costs and general cost-of-living pressures. Residents may need to pay for maintenance and repairs alongside their mortgages and rental payments. Meanwhile, increasing extreme weather events push insurance premiums higher. All this puts pressure on housing affordability.

Extreme temperatures also increase the risk of energy poverty. Not being able to adequately heat or cool a home can negatively affect both physical and mental health for its occupants.

What’s more, climate-related disasters can drive forced relocation, with flow-on effects to health and wellbeing through disruption to family life, loss of income, gender-based violence, social disconnection, and reduced access to services.

Notably, the effects of climate change reduce the supply of affordable housing, especially affordable rentals, which are more likely to be damaged or lost from hazards, for example due to lower structural quality. Lower-income renters as a result find it harder to compete for the remaining stock.

There are also other examples showing the effects of climate change on housing are inequitable, with the consequences flowing disproportionately to less advantaged groups.

When areas with low climate risk become more desirable, this can drive up housing and other costs in an area. Climate “gentrification” can displace low-income households to higher risk and less protected areas. We’ve seen this happen in countries including the United States and Denmark.

What does climate-resilient housing look like?

Housing needs to protect people from the growing risks posed by climate change. In a physical sense, this means it must be robust enough to bear more intense weather conditions, be energy efficient, and have good thermal performance that allows for both ventilation and climate control.

To achieve this, climate-resilient housing should include features such as:

  • well-constructed foundations, walls and roofs
  • ventilation and insulation
  • energy-efficient cooling and heating
  • exterior shading and roof reflectivity
  • building materials that are fire- and heat-resistant.

Building codes need to be cognisant of the changing climate, while existing housing may need to be upgraded.

We’ve seen some signs of progress. For example, updates to the National Construction Code in recent years have accounted for the increasing impact of climate change, by raising energy efficiency and thermal performance standards, among other measures.

There is also a need for stronger tenant protection policies. Rental housing is disproportionately of poor quality, yet it houses a large portion of the more vulnerable people in the population. Minimum standards for rental housing must be climate resilient.

But housing people well isn’t just a question of the physical construction of homes.

Climate-resilient housing should be affordable, secure and provide residents the chance to access opportunities for work, education and social connection that sustain wellbeing.

So much public discussion has focused on the need to meet housing supply targets, but we can’t forget that people need to be housed well to flourish.

This article is part of a series, Healthy Homes.

The Conversation

Ang Li receives funding from the Australian Research Council.

ref. Heat, air quality, insurance costs: how climate change is affecting our homes – and our health – https://theconversation.com/heat-air-quality-insurance-costs-how-climate-change-is-affecting-our-homes-and-our-health-263278

‘To my happy surprise, it grew beyond my imagination’: Robert Redford’s Sundance legacy

Source: The Conversation – Global Perspectives – By Jenny Cooney, Lecturer in Lifestyle Journalism, Monash University

Robert Redford at The Filmmakers’ Brunch during 2005 Sundance Film Festival. George Pimentel/WireImage

When Robert Redford launched the Utah-based Sundance Institute in 1981, providing an independent support system for filmmakers named after his role in Butch Cassidy and the Sundance Kid (1969), it would transform Hollywood and become his biggest legacy.

Redford, who has passed away age 89, was already a huge movie icon when he bought land and created a non-profit space with a mission statement “to foster independent voices, champion risky, original stories, and cultivate a community for artists to create and thrive globally”.

Starting with labs, fellowships, grants and mentoring programs for independent filmmakers, he finally decided to launch his own film festival in nearby Park City, Utah in 1985.

“The labs were absolutely the most important part of Sundance and that is still the core of what we are and what we do today,” Redford reflected during my last sit-down with him in 2013 at the Toronto International Film Festival, while promoting his own indie, All is Lost.

After the program had been running for five years, he told me

I realised we had succeeded in doing that much, but now there was nowhere for them to go. So, I thought, ‘well, what if we created a festival, where at least we can bring the filmmakers together to look at each other’s work and then we could create a community for them?’ And then, to my happy surprise, it grew beyond my imagination.

That’s putting it mildly. An astonishing list of filmmakers can all thank Redford for their career breakthroughs. Alumni of the Sundance Institute include Bong Joon-ho (who workshopped early scripts at Sundance labs before Parasite), Chloé Zhao and Taika Waititi, who often returns as a mentor.

Three people on a stage
President and founder of Sundance Institute Robert Redford, executive director of Sundance Institute Keri Putnam and Sundance Film Festival director John Cooper during the 2018 festival.
Nicholas Hunt/Getty Images

First films that debuted at the festival include Quentin Tarantino’s Reservoir Dogs (1992), Steve Soderbergh’s Sex, Lies, and Videotape (1989), Richard Linklater’s Slackers (2002), Paul Thomas Anderson’s Cigarettes and Coffee (1993), Nicole Holofcener’s short film Angry (1991), Darren Aronofsky’s Pi (1998) and Damian Chazelle’s Whiplash (2014).

Australian films which recently made their Sundance debut include Noora Niasari’s Shayda (2023), Daina Reid’s Run, Rabbit, Run (2023) and Sophie Hyde’s Jimpa (2025).




Read more:
A pretty face helped make Robert Redford a star. Talent and dedication kept him one


Creating a haven

For anyone lucky enough to have attended Sundance in the early days, it was a haven for indie filmmakers. It was not uncommon to see “Bob”, as he was always known in person, walking down the main street on his way to a movie premiere or a dinner with young filmmakers eager for his advice.

Watching Redford portray Bob Woodward in the Watergate thriller All the President’s Men (1976) was one of my earliest inspirations for pursuing a career in journalism. Also, nurturing a crush since The Sting (1973) and The Way We Were (1973) made it hard not to be intimidated crossing paths with him in Park City.

Robert Redford and Andie MacDowell at the Sundance Film Festival in 2003.
Randall Michelson/WireImage

Bob, however, quickly made you forget the icon status. Soon, you’d just be chatting about a new filmmaker he was excited to support, or his environmental work (he served as a trustee for five decades on the non-profit organisation, Natural Resources Defense Council).

Everyone felt equal in that indie film world, and Redford was responsible for that atmosphere.

In 1994, I waited in a Main Street coffee shop for Elle MacPherson to ski off a mountain and do an interview promoting her acting role in the Australian film Sirens. Later that day, I commiserated over a hot chocolate with Hugh Grant as he complained about frostbitten toes from wearing the wrong shoes and finding himself trekking through a snowstorm to the first screening of Four Weddings and a Funeral.

In the early days, Sundance was a destination for film lovers, not hair and makeup people, inappropriately glamorous designer gowns or swag lounges.

The arrival of Hollywood

But eventually, there was no denying the clout of any film making it to Sundance, and Hollywood came knocking.

“In 1985, we only had one theatre and maybe there were four or five restaurants in town, so it was a much quieter, smaller place and over time it grew so incredibly the atmosphere changed,” Redford reflected during our interview.

Suddenly all these people came in to leverage off our festival and because we are a non-profit, we couldn’t do anything about it. We had what we called ‘ambush mongers’ coming in to sell their wares and give out swag and I’m sure there will always be those people, but we are strong enough to resist being overtaken by it.

The festival resisted but the infrastructure gave in. In 2027, the Sundance Film Festival will finally relocate to Boulder, Colorado after a careful selection process aimed at ensuring the spirit of Sundance remains.

Redford stepped back from being the public face of the festival in 2019, dedicating himself instead to spend more time with filmmakers and their projects. But he supported the move to Colorado, and said in his statement of the announcement

Words cannot express the sincere gratitude I have for Park City, the state of Utah, and all those in the Utah community that have helped to build the organization.

The spirit of Sundance lives on, but it just won’t be the same without Bob on the streets or in the movie theatres.

The Conversation

Jenny Cooney does not work for, consult, own shares in or receive funding from any company or organisation that would benefit from this article, and has disclosed no relevant affiliations beyond their academic appointment.

ref. ‘To my happy surprise, it grew beyond my imagination’: Robert Redford’s Sundance legacy – https://theconversation.com/to-my-happy-surprise-it-grew-beyond-my-imagination-robert-redfords-sundance-legacy-265478

Cuando los músculos se rebelan: la distonía, un trastorno del movimiento infradiagnosticado

Source: The Conversation – (in Spanish) – By Natalia Brandín de la Cruz, Personal Docente e Investigador Grado de Fisioterapia, Universidad San Jorge

Halk-44/Shutterstock

Si pensamos en un trastorno del movimiento, seguramente nos vendrá a la cabeza el temblor de la enfermedad de Parkinson. Pero existe otro grupo de condiciones, igual de debilitantes y mucho menos conocidas, que afectan profundamente la calidad de vida de quienes las padecen.

Una de ellas es la distonía, trastorno del sistema nervioso central que puede aparecer a cualquier edad y afecta nada menos que al 1 % de la población mundial. Se caracteriza por contracciones musculares involuntarias, sostenidas o intermitentes, que pueden causar movimientos y posturas anormales de torsión, en muchos casos acompañadas de dolor y deformidad articular. Además, los movimientos distónicos también pueden asociarse al temblor.

La distonía suele empeorar con el cansancio, el estrés y los estados emocionales negativos, pero mejora durante el sueño y con la relajación. También puede reducirse su intensidad mediante trucos sensitivos, que son gestos voluntarios como tocar la barbilla o las cejas, ponerse un palillo en la boca o un pañuelo en el cuello.

En lo que se refiere a las causas, hay un amplio abanico de posibles desencadenantes. Puede ser hereditaria, como consecuencia de ciertas mutaciones genéticas que afectan a la transmisión de la dopamina o a circuitos de los núcleos basales del cerebro. Además, tenemos las llamadas distonías secundarias o adquiridas, que se derivan de lesiones estructurales del sistema nervioso central (como traumatismos, accidentes cerebrovasculares, encefalitis o tumores), exposición a fármacos y enfermedades metabólicas o degenerativas. Y por último las distonías idiopáticas, de origen desconocido, que son las más frecuentes.

Un amplio catálogo de manifestaciones

La forma más común del trastorno en adultos es la distonía focal, que afecta a una región específica del cuerpo. Dentro de esta categoría, la más conocida y frecuente es la distonía cervical (tortícolis espasmódica), que implica a los músculos del cuello y, a veces, también al hombro. Se manifiesta con movimientos de la cabeza de derecha-izquierda (como diciendo “no-no”), o arriba-abajo (“sí-sí”).

Otras modalidades de la distonía focal son las siguientes:

  • El blefaroespasmo, que produce movimientos involuntarios de los músculos de los párpados, causando parpadeos excesivos o el cierre involuntario de los ojos.

  • La distonía del escritor, que afecta a la mano y el brazo durante actividades específicas, como la escritura.

  • La distonía oromandibular, o sea, la contracción de los músculos de la parte inferior de la cara y los músculos superficiales del cuello (que a veces incluye distonía de la lengua).

  • La distonía laríngea o disfonía espasmódica, que es la contracción anómala de los músculos que regulan el cierre y apertura de las cuerdas vocales y produce dificultades en el habla.

Y por si fuera poco, además de las citadas distonías focales, existen otras variedades: la segmentaria, que involucra dos o más partes adyacentes del cuerpo (como el síndrome de Meige, que afecta los músculos de la cara, la mandíbula y la lengua); la generalizada, que implica a la mayor parte del cuerpo, incluyendo tronco y extremidades; la hemidistonía, que afecta un lado entero del cuerpo; y la multifocal, que involucra a dos o más partes del cuerpo no contiguas.

Cómo puede tratarse

Aunque la distonía no tiene cura, existen tratamientos que pueden mejorar significativamente la calidad de vida del paciente. Es importante contar con un equipo interdisciplinar de profesionales que incluya neurólogos, fisioterapeutas, terapeutas ocupacionales, logopedas y psicólogos especializados en trastornos del movimiento. Un abordaje integral que combine cuidados médicos, apoyo emocional y acompañamiento humano puede marcar la diferencia y ayudar a estos pacientes a recuperar la confianza.

Dentro de estos equipos, la fisioterapia juega un papel primordial. Se centra en aumentar la movilidad, reducir el dolor y ayudar a los pacientes a manejar los movimientos involuntarios favoreciendo la funcionalidad y promoviendo una mayor autonomía en su vida diaria.

Actualmente, algunas áreas de interés en la investigación de la distonía incluyen el desarrollo de estudios genéticos, nuevas terapias farmacológicas e intervenciones de estimulación cerebral.

Una enfermedad muy incapacitante

Según datos de la Sociedad Española de Neurología (SEN), existen más de 20 000 personas afectadas por algún tipo de distonía en España, pero podrían ser muchas más porque nos hallamos ante uno de los trastornos del movimiento más infradiagnosticados. Muchas veces se confunde con temblor parkinsoniano, temblor esencial, tics, mioclonías (otro tipo de movimientos rápidos e involuntarios), trastorno de movimiento psicógeno o incluso escoliosis.

Se trata de una enfermedad muy incapacitante. Su impacto en la calidad de vida no solo se traduce en las dificultades físicas. El estrés, la ansiedad y la depresión son comunes en los pacientes, debido a la naturaleza crónica de la enfermedad.

Para hacernos una idea, la mayoría de los socios de la Asociación Distonía España (ALDE) tienen reconocido un porcentaje medio de discapacidad de entre el 33 % y el 65 %, y en muchos casos, superior.

Las personas con esta dolencia no son propensas a contar lo que les pasa ni a mostrarse en sociedad, lo que invisibiliza aún más la enfermedad. A menudo viven recluidas a causa del dolor continuo, los trastornos emocionales y el estigma social.

Recursos y apoyo

Para aquellos afectados por la distonía y sus familias, varias organizaciones ofrecen apoyo, información y recursos:

En definitiva, la distonía sigue siendo una gran desconocida. La falta de conocimiento y el estigma asociado a los trastornos neurológicos poco comunes dificultan el diagnóstico temprano y el acceso a tratamientos adecuados. Aumentar la conciencia pública, capacitar a profesionales de la salud y fomentar la investigación básica y clínica son pasos esenciales para mejorar el pronóstico de quienes viven con este trastorno.

The Conversation

Las personas firmantes no son asalariadas, ni consultoras, ni poseen acciones, ni reciben financiación de ninguna compañía u organización que pueda obtener beneficio de este artículo, y han declarado carecer de vínculos relevantes más allá del cargo académico citado anteriormente.

ref. Cuando los músculos se rebelan: la distonía, un trastorno del movimiento infradiagnosticado – https://theconversation.com/cuando-los-musculos-se-rebelan-la-distonia-un-trastorno-del-movimiento-infradiagnosticado-264390

Voces ucranianas (III): imaginando el fin de la guerra

Source: The Conversation – (in Spanish) – By Léna Georgeault, Directora del Grado en Relaciones Internacionales, Universidad Villanueva

Manifestación contra la guerra en Cracovia (Polonia) el 24 de febrero de 2024. Rudenko Alla/Shutterstock

“La libertad no es gratis”, recita Theodor*. Probablemente ha repetido ese eslogan mil veces, pero en la voz de este joven no suena gastado. Los ucranianos saben que su soberanía se paga en sangre, ciudades arrasadas y niños deportados a la fuerza.

Pese a los horrores de la guerra, el espíritu de resistencia permanece obstinadamente vivo entre los refugiados en Breslavia (Polonia). Esa determinación encuentra su eco en la certeza, ampliamente compartida, de que la negociación no ofrece una salida real. “Ni la palabra ni la firma de Rusia tienen valor alguno”, zanja Oksana*, refugiada con su marido y su hija en Polonia desde hace unos meses. “Rusia sólo entiende la fuerza”, coincide Natalia*, estudiante en Breslavia.

Ese escepticismo hacia una vía negociada contrasta con el desgaste perceptible dentro de Ucrania, donde el cansancio de guerra ha ganado terreno. Según un sondeo de Gallup, la proporción de ucranianos dispuestos a combatir “hasta la victoria” ha caído del 73 % en 2022 al 24 % en 2025.

En el supuesto de que se alcanzara un acuerdo, el desenlace dependería de la relación de fuerzas entre Kiev y Moscú. De ahí que el apoyo de Washington y, en menor medida, de las capitales europeas, se perciba como decisivo.

Al respecto, los más jóvenes, como Theodor y Natalia, son los que más frustración expresan: lamentan una ayuda insuficiente, aplastada por trámites que la retrasan como si se viviera en dos temporalidades inconciliables. “En el frente, cada segundo importa”, insiste Natalia, mientras que, en el resto del mundo, las decisiones se calibran según encuestas y presupuestos, con la vista puesta en las reacciones del Kremlin.

Theodor admite que se ha vuelto más exigente y más impaciente: “En las películas, Estados Unidos siempre salva al mundo. Ahora parece que juegan una partida premeditada. Tardan demasiado y lo que envían es escaso en comparación con sus capacidades”.

No hay lugar para la tibieza

La exigencia de contundencia resume bien el sentimiento común: frente a un adversario que tantea los límites sin cesar, la tibieza equivale a ceder terreno. Artem*, presidente de la Fundación Ucrania, recuerda varios episodios en los que Moscú avanzó sin encontrar resistencia. Cita Chechenia, donde el Kremlin impuso a sangre y fuego el régimen de los Kadyrov sin apenas coste internacional; Georgia, donde en 2008 se quedó con Osetia del Sur y Abjasia ante una reacción tímida; y, sobre todo, Crimea, cuya anexión en 2014 no fue revertida pese a las sanciones.

Para él, cada concesión de Occidente fue una invitación a dar un paso más. Oksana apunta en la misma dirección: Rusia debe quedar lo bastante debilitada como para renunciar a nuevas aventuras exteriores y volverse hacia sus propios problemas internos, con una población empobrecida que necesita atención. Un mensaje concebido para terminar calando también dentro de la sociedad rusa y erosionar el apoyo a la política de Putin.

A la presión exterior de Rusia se suma un reto interno que marcará el futuro: la unidad nacional. La guerra ha intensificado las sospechas hacia los rusoparlantes. Para algunos, demostrar patriotismo significa dejar de hablar ruso y adoptar el ucraniano en la vida cotidiana.

Theodor lo ilustra con un titubeo: “Hablo ruso… bueno, puedo hablar ruso”, se corrige. Marta, joven ucraniana del oeste de paso por Breslavia, es aún más tajante: “Quizás sea duro, pero los llamo rusos”, dice sobre quienes siguen usando esa lengua, incluso después de haber visto sus casas derribadas o a sus familiares asesinados. “No sé qué tiene que pasar para que lo entiendan”, añade con una mezcla de incredulidad y amargura.

Kinga, de la asociación Nomada, recuerda en cambio a una refugiada que le insistía en que el ruso forma parte de la historia del país y que se puede ser patriota y rusoparlante a la vez. El propio Theodor observa: “Ahora mismo, en el frente, hay ucranianos rusoparlantes matando a rusos”.

No es la única fractura que atraviesa el país: también está la que separa a quienes huyeron de la guerra y a quienes la sufren cada día en Ucrania. Natalia cuenta la historia de una conocida que emigró al Reino Unido y comparte vídeos sobre su nueva vida. Bajo ellos, se acumulan mensajes de odio que le reprochan haberse marchado y llevar ahora una existencia cómoda mientras otros siguen bajo las bombas.

La negociación, vista desde dos perspectivas

Esas experiencias tan distintas de la guerra probablemente expliquen que la mayor inclinación a negociar que se note en Ucrania no se observe con la misma claridad en la comunidad de refugiados de Breslavia.

A pesar de esas grietas, también emerge la convicción de que el país puede salir reforzado de la guerra. “Ahora nos hemos dado cuenta de que Ucrania es un gran país y de que tiene mucho que ofrecer”, afirma Artem, convencido de que la experiencia acumulada en estos años de resistencia encierra lecciones valiosas para Europa.

Theodor lo formula desde otro ángulo: “Nuestro trabajo como ucranianos es dar a conocer nuestra cultura y hacerla exportable”, sostiene, convencido de que Ucrania no sólo sobrevivirá, sino que contribuirá a enriquecer a la Unión Europea, a la que aspira a integrarse.

Theodor es muy consciente de que no todo el mundo en Europa ve con buenos ojos el lugar que Ucrania reclama, algo que el joven achaca a la vulnerabilidad occidental ante la propaganda rusa. “Nosotros compartimos durante mucho tiempo el mismo espacio informacional con Rusia, los conocemos muy bien”, dice, reivindicando la capacidad ucraniana para detectar las manipulaciones de Moscú.

Lamenta, en cambio, que en Occidente “Rusia consiga seducir a todo el espectro político”, desde los nostálgicos del comunismo hasta quienes la ven como último baluarte del conservadurismo. Entiende que en la indiferencia hacia Ucrania pesa también el temor a provocar al Kremlin. Y formula un deseo personal: “Que los españoles nunca conozcan la guerra, ni ellos, ni sus hijos, ni sus nietos”.

“Pero la libertad no es gratis”, repite una vez más.


Los nombres marcados con asterisco han sido modificados para proteger la identidad de las personas entrevistadas.


The Conversation

Léna Georgeault no recibe salario, ni ejerce labores de consultoría, ni posee acciones, ni recibe financiación de ninguna compañía u organización que pueda obtener beneficio de este artículo, y ha declarado carecer de vínculos relevantes más allá del cargo académico citado.

ref. Voces ucranianas (III): imaginando el fin de la guerra – https://theconversation.com/voces-ucranianas-iii-imaginando-el-fin-de-la-guerra-259346

Cómo desarrollar una mirada crítica hacia la tecnología desde las aulas

Source: The Conversation – (in Spanish) – By Victoria Marín Juarros, Profesora Titular de Universidad en Ciencias de la Educación, Tecnología Educativa, Universitat de Lleida

M.Somchai/Shutterstock

La transformación digital en todos los ámbitos de la vida nos plantea múltiples preguntas sobre las relaciones entre tecnología y sociedad. En el ámbito de la educación, en concreto, nos vemos en la necesidad de preparar al alumnado para una ciudadanía digital activa. Queremos educar ciudadanos y ciudadanas capaces de usar la tecnología de una manera competente, adecuada y responsable en su vida diaria.

A este objetivo se le llama “competencia digital”, y se ha introducido en instituciones y centros educativos a través de las leyes educativas y los currículos. Por ejemplo, en el contexto de la educación obligatoria en España, la competencia digital es parte del actual currículo LOMLOE.

En el contexto universitario, la competencia digital es parte de algunos programas de estudios. Destaca especialmente en la formación de maestros como la competencia digital docente. Sin embargo, y a pesar de las definiciones manejadas del término, a menudo se enseña desde una visión instrumental y neutral de las tecnologías digitales. Es decir: enseñamos simplemente a usarlas.

Más allá de usarlas

Pero también es necesario el cómo, por qué y para qué se utilizan. Es decir, aprender a hacerlo de una manera ética y crítica, lo que implica además ciertos conocimientos y actitudes y no solo destrezas técnicas. Pasar de ser usuarios pasivos de estas tecnologías, y receptores de la información que nos llega a través de ellas, a seleccionar qué usamos, entender por qué y para qué, y desarrollar un sentido de la responsabilidad digital.




Leer más:
¿Dominan los adolescentes españoles las tecnologías?


Estos son algunos de los objetivos que tenemos en cuenta en una investigación en curso en la que proponemos estrategias concretas para preparar a los futuros profesionales a desarrollar esa mirada ética y crítica hacia la tecnología en la sociedad actual.

¿Cómo funcionan las tecnologías digitales e internet?

Entender la faceta material de la infraestructura que hay detrás del uso de las tecnologías digitales e internet sería uno de los pilares básicos para construir una competencia digital crítica.

Por ejemplo, dedicar tiempo de clase a entender qué son y cómo funcionan los cables submarinos de telecomunicaciones o el consumo energético y de agua que implica la inteligencia artificial generativa aporta una dimensión práctica imprescindible para entender todo lo que implica tener acceso a internet y herramientas digitales en la palma de la mano. Ser conscientes de este entramado ayuda a chicos y chicas a poner unas bases de un uso responsable y sostenible de las tecnologías digitales.

Prestar atención a las infraestructuras

Este nivel se podría trabajar a partir de la observación y registro de las infraestructuras tecnológicas (cables, centros de procesamiento de datos). Podemos pedir al alumnado que fotografíe elementos que forman parte de esta infraestructura, como torres de telefonía o antenas, en su entorno cotidiano.




Leer más:
¿Se puede limitar el uso de pantallas y alfabetizar digitalmente en las escuelas?


En una experiencia previa en el contexto norteamericano, tras leer y debatir sobre la infraestructura que necesitan nuestras tecnologías digitales, un grupo de estudiantes universitarios recorrieron durante 15 minutos su campus examinando las infraestructuras digitales que encontraban (cables de fibra óptica enterrados, servidores, cámaras de vigilancia) y tomando fotos de ellas con sus cámaras o móviles. Todas las fotos se revisaron en grupo y se discutió sobre ellas.

Las metáforas que rodean a las tecnologías

Otra manera de trabajar una comprensión más profunda y crítica de las tecnologías que usan en su día a día puede ser a través de la deconstrucción de metáforas, como la nube o los datos (digitales y personales) como el nuevo petróleo. En el aula se podría plantear la exploración del origen de estas metáforas o la creación artística de su interpretación personal por parte del alumnado.

El uso de metáforas suaviza y reduce la complejidad de las infraestructuras digitales, por lo que esta deconstrucción implica una investigación más profunda para sacar a la luz muchos detalles (quién hay detrás, cómo se mantiene) que a menudo quedan en segundo plano.

¿Qué tecnología uso y por qué?

En su papel de consumidor, los estudiantes deben entender que existen diferentes alternativas en el mercado tecnológico, y cómo con sus decisiones y compras privilegian unos servicios, programas y aplicaciones. A menudo priorizamos las herramientas más conocidas (Microsoft, Google…), aparentemente gratuitas (a cambio de datos personales) o semigratuitas y accesibles en línea.

En este sentido, otro aspecto que puede ayudar a trabajar la competencia digital crítica es la identificación de alternativas no comerciales, abiertas y libres como LibreOffice en vez de Microsoft Office, o GIMP en vez de Adobe Photoshop.

En clase se pueden realizar auditorías tecnoéticas de las herramientas según tipologías, que ayuden a contemplar aspectos de ética social, comercial, pedagógica y ambiental. Por ejemplo, el grado de accesibilidad e inclusividad de la herramienta (ética social) o la posibilidad de poder utilizarla sin conexión a internet (ética ambiental) son aspectos que pueden influir en las decisiones.

Explorar la faceta creativa

Jóvenes y adolescentes a menudo adoptan un papel pasivo ante las tecnologías, y es precisamente entender las posibilidades de participación y creación que ofrecen lo que les permite dar el salto a un uso más crítico.

Esta faceta se puede explorar con actividades como la edición y traducción de artículos a través de Wikipedia como plataforma colaborativa abierta y libre, la creación de nuevos contenidos (como páginas web) que puedan utilizar otras personas y el uso de licencias abiertas Creative Commons en esos contenidos para la promoción del conocimiento en abierto, compartido y reutilizable.




Leer más:
Jóvenes y adolescentes en redes sociales: ¿consumidores o creadores?


En todos estos casos, estamos haciendo un uso deliberado y significativo, cuyo resultado va más allá de la actividad en cuestión, pues puede servir a alumnado futuro u otras personas externas a la clase.

Desarrollando la alfabetización crítica en todas las etapas

Además de estos cuatro aspectos, nuestra colección de prácticas educativas desarrolla muchas otras propuestas: trabajar la alfabetización en datos vinculada a los sesgos de la inteligencia artificial; el fomento de la ciudadanía y responsabilidad digitales mediante la construcción de una huella digital ética; la evaluación crítica de contenido, o la producción mediática crítica a través de cartografías digitales para narrar cuentos, entre otras.

Si bien el proyecto se centra en educación superior, y en especial en la formación inicial de docentes de colegios e institutos, las propuestas se podrían adaptar a otros niveles educativos.

The Conversation

Esta publicación es parte del proyecto de I+D+i PID2022-136291OA-I00, financiado por MCIN/ AEI/10.13039/501100011033/ y “FEDER Una manera de hacer Europa”.
Victoria I. Marín reconoce el apoyo de la Ayuda RYC2019-028398-I financiada por MCIN/AEI/ 10.13039/501100011033 y FSE “El FSE invierte en tu futuro”.

ref. Cómo desarrollar una mirada crítica hacia la tecnología desde las aulas – https://theconversation.com/como-desarrollar-una-mirada-critica-hacia-la-tecnologia-desde-las-aulas-258941

¿Por qué nos parece que los veranos no duran tanto como antes?

Source: The Conversation – (in Spanish) – By Fernando Díez Ruiz, Professor, Faculty of Education and Sport, Universidad de Deusto

Casi todos asociamos las vacaciones asociamos con la playa y el descanso. En la imagen, Palma de Mallorca. Andrés Nieto Porras. , CC BY-SA

¿Recuerda aquellos veranos de la infancia que parecían eternos? Días interminables jugando en la calle, disfrutando con los amigos, noches que se alargaban entre juegos y risas. Sin embargo, al crecer y hacernos más mayores, los periodos de vacaciones parece que no duran nada.

Como escribió Marcel Proust, “el tiempo, que cambia a las personas, no altera la imagen que de ellas guardamos”. Quizá lo mismo ocurre con los veranos: no es que hayan cambiado, sino que somos nosotros quienes los percibimos de otra manera.

Percepción subjetiva del tiempo

El tiempo es objetivo, marcado por el reloj y por el calendario. Pero su vivencia es profundamente subjetiva.

En Antes del amanecer (Linklater, 1995), una sola noche en Viena parece expandirse hasta convertirse en un universo completo de recuerdos. La película ilustra cómo la intensidad emocional y la novedad transforman unas horas en una experiencia vital extensa.

Imagen de la película Antes del amanecer, una metáfora de lo mucho que puede estirarse el tiempo.
Columbia Pictures.

Nuestro cerebro no percibe el paso de las horas de forma lineal, sino en función de la novedad, la atención y la memoria. Cuantas más experiencias nuevas vivimos, más información almacenamos y, en consecuencia, el tiempo se percibe como más largo.

Durante la infancia todo es descubrimiento: los amigos, los juegos, los lugares. Cada verano está repleto de “primeras veces”. El cerebro infantil está en un estado a aprendizaje continuo, saturado de estímulos que se procesan y registran. Esa abundancia de experiencias genera la impresión de que los días son extensos y variados.

Con los años, el cerebro se va habituando y tiene que atender a múltiples preocupaciones y decisiones. Ya no registra tanto detalle porque reconoce patrones conocidos. Al haber menos novedades, los recuerdos son más escasos, y lo que queda en la memoria es un resumen simplificado de semanas enteras. Así, al mirar atrás, sentimos que “el verano voló”.

Atención vs estrés

El modo en que gestionamos la atención también influye. Los adultos suelen vivir los veranos con prisas: planificar viajes, trabajar antes y después de las vacaciones para cubrir tareas, atender a la familia. Este fraccionamiento mental reduce la capacidad de disfrutar del presente. Cuando la atención se dispersa, el cerebro procesa menos detalles y los días se sienten más cortos. Es normal que un adulto, cuando comienza el verano, tarde entre 2 y 3 días antes de sentirse plenamente en modo descanso.

En cambio, los niños tienen la capacidad de sumergirse plenamente en una actividad. Una tarde en la piscina o un partido improvisado de fútbol en la plaza les absorbe de tal forma que cada momento queda grabado. La intensidad de esa vivencia amplia la sensación temporal.

Vacaciones con ojos de niño

La psicología cognitiva lleva décadas investigando este fenómeno. William James, considerado padre de la psicología moderna, ya señalaba en 1890 que la novedad es clave en la percepción del tiempo. Estudios recientes en neurociencia confirman que la dopamina (neurotransmisor asociado al aprendizaje y la recompensa) se libera más intensamente cuando enfrentamos experiencias nuevas. Esa descarga favorece la codificación de recuerdos y alarga la sensación temporal.

Un experimento interesante mostró que, cuando se pide a adultos y a niños estimar la duración de una misma actividad divertida, los pequeños tienden a decir que duró más. Esto sugiere que no solo la memoria posterior, sino también la vivencia inmediata, se percibe de manera distinta con la edad.

Los estudios evidencian que las vacaciones son necesarias tanto para los más pequeños como para los mayores. Esto se debe a que, cuando interrumpimos nuestras rutinas, abrimos espacios para nutrirnos de nuevos lugares, perspectivas, y damos pie a la creatividad. Así, el descanso y la desconexión contribuyen a mejorar el rendimiento cognitivo.

Cabe destacar que los descansos cortos lejos del hogar y el trabajo pueden ser más restauradores que unas vacaciones más largas.. Además, el contacto con la naturaleza, la realización de actividades locales o diferentes prácticas culturales ayudan a reforzar los vínculos familiares y sociales. De esta manera, cuando volvemos de vacaciones, solemos experimentar una sensación de bienestar que nos permite retomar el curso o el trabajo con más ganas.

Cómo vivir un eterno verano

Si los días de vacaciones se nos escapan de las manos, quizás podamos aprender de la infancia y buscar estrategias para “estirarlos”. O incluso, hacerlos “presentes” en los días laborables. No se trata de añadir más días al calendario, sino de enriquecerlos con ideas como:

  • Romper la rutina: probar actividades nuevas, visitar lugares desconocidos, aprender algo distinto. La novedad genera recuerdos y amplia la sensación de tiempo.

  • Vivir el presente: practicar la atención plena (mindfulness) ayuda a ralentizar la percepción del paso del día.

  • Reducir las prisas: organizar los días de descanso evitando agendas sobrecargadas. A veces, menos planes significa más disfrute.

  • Registrar experiencias agradables: escribir un diario o tomar fotografías cuando estamos de vacaciones –siempre y cuando no nos metamos en la rutina estresante de subirlas a las redes sociales– contribuye a reforzar la memoria, y al mirar atrás sentimos que el tiempo fue más largo.

Una mirada final

Los veranos no han cambiado de duración. Somos nosotros quienes los percibimos de forma distinta. La niñez los convierte en un mundo de descubrimientos, mientras que la mirada de adulto los reduce a un paréntesis breve en la rutina anual.

Quizás la clave esté en recuperar esa mirada infantil: abrirnos a lo inesperado, vivir con intensidad y permitir que cada día deje huella. Al fin y al cabo, lo que da longitud al tiempo no son los relojes, sino la riqueza de lo vivido.

The Conversation

Las personas firmantes no son asalariadas, ni consultoras, ni poseen acciones, ni reciben financiación de ninguna compañía u organización que pueda obtener beneficio de este artículo, y han declarado carecer de vínculos relevantes más allá del cargo académico citado anteriormente.

ref. ¿Por qué nos parece que los veranos no duran tanto como antes? – https://theconversation.com/por-que-nos-parece-que-los-veranos-no-duran-tanto-como-antes-265106