Le nouveau compagnon IA de Grok 4 brouille la frontière entre travail et fantasme

Source: The Conversation – in French – By Jul Parke, PhD Candidate in Media, Technology & Culture, University of Toronto

La plate-forme d’IA la plus controversée est sans doute celle fondée par Elon Musk. Le chatbot Grok a proféré des propos racistes et antisémites et s’est lui-même surnommé « MechaHitler », en référence à un personnage de jeu vidéo.

« Mecha » est un terme qui désigne généralement des robots géants, souvent utilisés à des fins militaires, et apparaît dans les bandes dessinées de science-fiction japonaises.

Au départ, Grok a mentionné Musk lorsqu’on l’a interrogé, avant de se lancer dans un révisionnisme historique raciste non sollicité, évoquant notamment le concept erroné de « génocide blanc » en Afrique du Sud. Ses positions, confuses et contradictoires, continuent d’évoluer.

Voilà certains des aspects les plus inquiétants de Grok. Un autre élément préoccupant de Grok 4 est une nouvelle fonctionnalité de son interaction sociale avec des « amis virtuels » dans sa version premium.

Dans un contexte où la solitude humaine s’accompagne d’une dépendance croissante aux grands modèles linguistiques (LLM) pour remplacer les interactions sociales, Grok 4 introduit des compagnons IA, une mise à niveau disponible pour les abonnés payants.

Plus précisément, les abonnés de Grok peuvent désormais accéder à une IA générative imprégnée de conceptions patriarcales du plaisir – ce que j’appelle la « productivité pornographique ».

Grok et les anime japonais

un personnage animé aux grands yeux semble surpris
Misa Amane, personnage de l’un des anime japonais préférés de Musk, Death Note.
(Wikimedia/Deathnote)

Ani, le compagnon IA le plus populaire de Grok 4, représente un croisement entre l’anime japonais et la culture Internet. Ani ressemble fortement à Misa Amane, personnage emblématique de l’anime japonais Death Note.

Misa Amane est une pop star qui adopte constamment un comportement autodestructeur et irrationnel pour séduire le protagoniste masculin, un jeune homme brillant engagé dans une bataille d’esprit avec son rival. Musk a cité cet anime comme l’un de ses préférés dans un tweet publié en 2021.

Si l’anime est une forme d’art vaste qui comporte de nombreux tropes, genres et fandoms, des recherches ont montré que les fandoms d’anime en ligne sont imprégnés de misogynie et de discours exclusifs envers les femmes. Même les séries les plus grand public ont été critiquées pour sexualiser des personnages prépubères et offrir un « fan service » à travers des designs hypersexualisés et des intrigues non consensuelles.

Le créateur de Death Note, Tsugumi Ohba, a toujours été critiqué par les fans pour la conception antiféministe de ses personnages.


@0xsachi/X

Des journalistes ont souligné la rapidité avec laquelle Ani s’engage dans des conversations romantiques et à caractère sexuel. Ani est représentée avec une silhouette voluptueuse, des nattes blondes et une robe noire en dentelle, qu’elle décrit elle-même fréquemment dans ses échanges avec les utilisateurs.

Le problème de la productivité pornographique

J’emploie le terme « productivité pornographique », inspiré par les critiques qualifiant Grok de « pornifié », pour désigner la tendance inquiétante de certains outils, initialement conçus pour le travail, à évoluer vers des relations parasociales répondant à des besoins émotionnels et psychologiques, y compris des interactions genrées.

Les compagnons IA de Grok illustrent parfaitement ce phénomène, et brouillent les limites entre travail et relations parasociales.

L’attrait est évident. Les utilisateurs peuvent théoriquement vivre simultanément dans deux réalités, se détendant pendant que leurs avatars IA gèrent leurs tâches, et c’est déjà une réalité dans les modèles d’IA. Mais cette promesse séduisante cache de sérieux risques : dépendance, extraction invasive de données et détérioration des compétences relationnelles humaines réelles.




À lire aussi :
Grok, l’IA de Musk, est-elle au service du techno-fascisme ?


Conçus pour diminuer la vigilance et instaurer la confiance, ces compagnons deviennent encore plus préoccupants lorsqu’on y ajoute une dimension sexualisée et des références à une féminité docile.

Les utilisateurs de Grok 4 ont remarqué que l’ajout de personnages sexualisés utilisant un langage émotionnellement valorisant est assez inhabituel pour les grands modèles linguistiques grand public. En effet, ces outils, comme ChatGPT et Claude, sont souvent utilisés par des personnes de tous âges.

Même si nous ne faisons qu’entrevoir l’impact réel des chatbots avancés sur les mineurs, en particulier les adolescents souffrant de troubles mentaux, les études de cas dont nous disposons sont extrêmement alarmantes.

« Pénurie d’épouses »

Reprenant le concept de « femme intelligente » développé par les chercheuses féministes Yolande Strengers et Jenny Kennedy, les compagnons IA de Grok semblent répondre à ce qu’elles appellent une « pénurie d’épouses » dans la société contemporaine.

Ces technologies prennent en charge des tâches historiquement féminisées, alors que les femmes affirment de plus en plus leur droit de refuser les dynamiques d’exploitation. En fait, les utilisateurs en ligne ont déjà qualifié Ani de « waifu », un jeu de mots sur la prononciation japonaise du mot « wife » (épouse).

Les compagnons IA sont attrayants en partie parce qu’ils ne peuvent pas refuser ni fixer de limites. Ils effectuent des tâches indésirables en donnant l’illusion du choix et du consentement. Alors que les relations réelles nécessitent des négociations et un respect mutuel, les compagnons IA offrent un fantasme de disponibilité et de soumission totale.

L’extraction de données par le biais de l’intimité

Dans le même temps, comme l’a souligné la journaliste spécialisée dans les technologies Karen Hao, les implications des LLM en matière de données et de confidentialité sont déjà stupéfiantes. Lorsqu’ils sont rebaptisés sous la forme de personnages personnifiés, ils sont plus susceptibles de capturer des détails intimes sur les états émotionnels, les préférences et les vulnérabilités des utilisateurs. Ces informations peuvent être exploitées à des fins de publicité ciblée, de prédiction comportementale ou de manipulation.

Cela marque un tournant majeur dans la collecte de données. Plutôt que de s’appuyer sur la surveillance ou des directives explicites (prompts), les compagnons IA encouragent les utilisateurs à divulguer des détails intimes à travers des conversations apparemment naturelles.

Le chatbot sud-coréen Iruda illustre comment ces systèmes peuvent devenir des vecteurs de harcèlement et d’abus lorsqu’ils sont mal réglementés. Des applications apparemment inoffensives peuvent rapidement devenir problématiques lorsque les entreprises ne mettent pas en place les mesures de protection adéquates.

Des cas précédents montrent également que les compagnons IA conçus avec des caractéristiques féminines deviennent souvent la cible de dérives et d’abus, reflétant les inégalités sociétales plus larges dans les environnements numériques.

Les compagnons de Grok ne sont pas simplement un produit technologique controversé. Il est plausible de s’attendre à ce que d’autres plates-formes LLM et grandes entreprises technologiques expérimentent bientôt leurs propres personnages. La disparition des frontières entre productivité, compagnie et exploitation appelle une vigilance urgente.


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L’ère de l’IA et des partenariats gouvernementaux

Malgré l’histoire troublante de Grok, la société d’IA de Musk, xAI, a récemment obtenu d’importants contrats gouvernementaux aux États-Unis.

Cette nouvelle ère du plan d’action américain pour l’IA, dévoilé en juillet 2025, avait ceci à dire sur les biais de l’IA :

« La Maison-Blanche mettra à jour les directives fédérales en matière de marchés publics afin de garantir que le gouvernement ne passe des contrats qu’avec des développeurs de modèles linguistiques de pointe qui garantissent que leurs systèmes sont objectifs et exempts de préjugés idéologiques descendants. »

Compte tenu des nombreux exemples de haine raciale de Grok et de son potentiel à reproduire le sexisme dans notre société, son nouveau contrat gouvernemental revêt une valeur symbolique à une époque où les préjugés font l’objet d’un double discours.

Alors que Grok continue de repousser les limites de la « productivité pornographique », poussant les utilisateurs à entretenir des relations de plus en plus intimes avec des machines, nous sommes confrontés à des décisions urgentes qui touchent à notre vie privée. L’IA n’est plus simplement bonne ou mauvaise : il s’agit de préserver ce qui fait notre humanité.

La Conversation Canada

Jul Parke reçoit du financement du Conseil de recherches en sciences humaines du Canada.

– ref. Le nouveau compagnon IA de Grok 4 brouille la frontière entre travail et fantasme – https://theconversation.com/le-nouveau-compagnon-ia-de-grok-4-brouille-la-frontiere-entre-travail-et-fantasme-263293

Why have cancer survival rates stopped improving in the UK?

Source: The Conversation – UK – By Ahmed Elbediwy, Senior Lecturer in Cancer Biology & Clinical Biochemistry, Kingston University

The ten-year survival rate for many cancers has doubled in the past 50 years — but for others, there has been hardly any change. namtipStudio/ Shutterstock

More people are surviving cancer than ever before in history. Advances in cancer treatments and diagnostic tools mean we’re able to catch cancer earlier on and treat even aggressive forms of the disease.

But a major new study has shown that the steady increase in cancer survival rates that we’ve seen in England and Wales over the last 50 years has plateaued.

The researchers looked at data from over 10 million adults diagnosed with cancer over an almost 50-year period (1971-2018) in England and Wales. They found that the ten-year survival rate for patients has doubled in the past 50 years – from around 23% to 50%. That’s obviously fantastic news. But they also found that the overall increase in survival rates has begun to plateau in the past few decades.




Read more:
Cancer survival in England is not improving – here’s what needs to be done


Some cancers, including breast, bowel and cervical cancers, have seen huge improvements in diagnosis and ten-year survival rates. But other types of cancer, including pancreatic, brain, lung, stomach and oesophageal, historically have a much lower survival rate. For these cancers, there has hardly been any change in survival rate observed in the past 50 years.

There are a few key reasons that may explain why survival rates from these types of cancer have not improved.

One is lifestyle changes. Over the past 50 years, the average person’s diet has changed significantly – with ultra-processed foods making up a greater proportion of peoples’ diets. These foods tend to be high in calories and low in nutritional value.

This shift has contributed to a startling increase in global obesity rates. This obesity increase has coincided with a substantial increase in risk of obesity-related cancers, including pancreatic, kidney, colorectal, ovarian and gallbladder cancer.

Moreover, UK research has found a link between ultra-processed foods and cancer – finding that the more ultra-processed foods a person consumes, the greater their risk of developing many types of cancer, including ovarian.

Meanwhile, although smoking rates have declined over the past 50 years in England, air pollution has now become a significant concern when it comes to lung cancer. Exposure to air pollution causes around one in ten cases of lung cancer in the UK. It’s estimated that almost 6,000 people who have never smoked die of lung cancer every year in the UK.

Another possible reason for survival rates not improving is location. Some areas of the UK have better access to drugs, cancer specialists and advanced screening programmes. This “cancer postcode lottery” means that two people with the same cancer may have very different outcomes depending on where they live. Patients who live in lower socioeconomic areas face longer waits for treatment, receive poorer care, and have lower cancer survival rates.

A recent report from the Macmillan Cancer Trust found that up to 40% of UK residents have struggled to get cancer treatment and care because of where they live.

This disparity is a historic issue, which has been documented as far back as 1981. Despite measures put in place to address it, socioeconomic inequalities in cancer survival continue to be observed.

A doctor or nurse wearing blue scrubs uses a pen to point at a diagram of the pancreas.
Certain types of cancer, such as pancreatic cancer, have not received as much research investment as other types of cancer.
sasirin pamai/ Shutterstock

Another potential factor is investment in treatments and treatment costs. In these respects, pancreatic, brain, lung, stomach and oesophageal cancers have historically been underfunded compared to other types of cancer. According to the World Cancer Research Fund, these types of cancer only receive 16% of the research investment that goes to other more common types of cancer (such as breast cancer). This means we’re still behind when it comes to effectively diagnosing and treating these conditions.

Treatment cost is another significant factor. Newer cancer treatments are expensive. In order to be approved for NHS use, the drug cannot cost more than £20,000–£30,000 per patient and it must give a patient at least one year in good health after using it.

This criteria has meant that some effective cancer treatments have been rejected in the past because they didn’t meet these requirements. Given the lack of investment some types of cancers have historically seen, rejecting them for being too costly could mean that patients living with these types of cancer may have missed out on important treatments.

Improving cancer survival rates

Many of the cancers which have seen little improvement in survival rates are difficult to screen because signs and symptoms often don’t appear until the later stages of the disease. This makes it difficult to catch them earlier on, when they might be more easily treated.

So the first and most important way of increasing survival rates is by establishing more effective screening programmes. This will allow for earlier diagnosis and increase the chances of treatments working.

Media advocacy could also be used to improve awareness of these types of cancer and improve uptake of existing screening programmes. Celebrity cancer stories have brought greater awareness to many common types of cancer – such as breast, bowel and cervical cancer. This has resulted in more people seeking out diagnoses and treatment, which may partly explain why these types of cancer have seen continued improvements in survival rates over the past 50 years.

Encouragingly, research is advancing in the field of hard-to-treat cancers. Greater investment will only further help us understand these difficult to treat cancers and develop more effective treatments for them.

Greater investment into the NHS is also vital. This will help us to reduce waiting times for diagnosis and treatment, which is critical for effective treatment and cancer survival. The UK government plans to release their national cancer plan later this year, which will outline the key ways they plan to improve cancer care and survival rates.

On the whole, we’re better able to treat and diagnose cancer than we were 50 years ago. With continued investment and research, it’s hoped we can further improve the prospects for those types of cancer whose survival rates have lagged behind.

The Conversation

The authors do not work for, consult, own shares in or receive funding from any company or organisation that would benefit from this article, and have disclosed no relevant affiliations beyond their academic appointment.

– ref. Why have cancer survival rates stopped improving in the UK? – https://theconversation.com/why-have-cancer-survival-rates-stopped-improving-in-the-uk-264443

Israel’s strike on Qatar was a serious blow against diplomacy in the Middle East

Source: The Conversation – UK – By M. Waqas Haider, PhD Researcher, Lancaster University

The recent Israeli strike on Hamas leaders in Doha, where they had gathered to discuss a US-brokered peace proposal, has triggered substantial repercussions throughout the Middle East and beyond. Israeli prime minister, Benjamin Netanyahu, characterised it as a “justified” operation against a militant organisation.

But, by conducting the strike against a nation widely acknowledged as a neutral facilitator in peace negotiations, Israel has not only intensified its confrontations with Hamas but also destabilised the delicate framework of diplomacy and conflict resolution in the region.

The BBC headlined its report by veteran Middle East correspondent: “diplomacy in ruins”. The strike event raises urgent questions about the future of mediation, the erosion of international norms on sovereignty, and the trust required for both governments and armed groups to engage in negotiations.

Its implications go beyond the Israeli–Palestinian conflict. It will affect the very principles of how peace efforts are carried out in today’s divided world. It is also likely to affect the future of the Abraham Accords, the agreements by which Israel has been normalising relations with Arab states.




Read more:
Middle East leaders condemn Israel’s attack on Qatar as Netanyahu ends all talk of Gaza ceasefire – expert Q&A


To fully understand why Israel’s strike against a target in Qatar was such a significant disruption, it helps to consider Qatar’s historical role in international diplomacy. For 20 years, Qatar has served as a neutral platform for diplomatic negotiations in the Middle East.

The city has hosted talks between the Taliban and the United States, contributed to mediating Sudan’s civil conflict, and consistently facilitated indirect discussions between Israel and Hamas amid crises regarding Gaza ceasefires.

Qatar’s compact size and substantial wealth position it as an unparalleled global hub for dialogue and diplomacy. Its reputation as a secure and neutral meeting place attracts rivals and world leaders alike, especially when other venues are unavailable or unsuitable for any of the parties involved.

This strategic role not only bolsters Qatar’s international influence but also offers the global community a vital platform for meaningful engagement and conflict resolution.

The strike in Doha undermines this carefully cultivated image. If even Qatar cannot assure safety to those involved in negotiations, other groups and governments might start doubting the worth of such mediation entirely.

Equally significant is the impact on sovereignty. International law makes it clear that using force inside another country’s borders without permission is a breach of that country’s sovereignty. This principle is a cornerstone of international relations, designed to protect weaker states from the actions of stronger ones.

For smaller states such as Qatar, who offer their territory for negotiations, this raises a troubling dilemma. Can they still provide a safe and neutral venue for peace talks if their sovereignty is not respected?

If mediating states are no longer seen as safe hosts, fewer will be willing to take on the role. That leaves the world with fewer neutral venues at a time when conflicts are multiplying and diplomacy is more necessary than ever.

The damage is not only legal but psychological. Peace talks rely on trust – both in the process and in the safety of the participants. For non-state actors such as Hamas, or others considering talks, the Doha strike signals that negotiations may expose them to deadly risk.

This perception could make groups less willing to engage in dialogue, even when talks are the only realistic path to de-escalation. The Taliban, for example, only agreed to negotiate with the US because they believed Doha was a safe zone. Without that confidence, the 2020 peace deal might never have been reached.

Geopolitical ripple effects

The strike also complicates broader regional politics. The US, for example, has long depended on Qatar as the host of its largest military bases in the Middle East – a vital centre for its operations in the region. Washington now has to balance its strong alliance with Israel against its strategic reliance on Qatar.

Iran, meanwhile, is likely to interpret the strike as evidence of Israeli aggression, using it to bolster relations with groups opposed to Israel. Other Gulf states, some of which have been cautiously normalising relations with Israel, may pause to reconsider whether such actions promote stability or introduce new risks. Such actions also act as spoilers in the peace process, increasing the relative motivation of such groups not to accede to the demands.

Rather than creating space for dialogue, this strike has pushed both sides further from the negotiating table — leaving the peace process in tatters. To compound matters, Benjamin Netanyahu has refused to rule out further strikes abroad targeting Hamas leaders.

More broadly, the incident illustrates how modern conflicts are increasingly spilling into areas once reserved for diplomatic efforts, and these actions also extend beyond the bounds of “coercive diplomacy”.

This is a carrot-and-stick approach to diplomacy which relies on positive inducements as well as threats of force to modify or influence the adversary’s behaviour. Israel’s strikes were not coercive diplomacy, but an act of war – an attempt to decapitate Hamas leadership. The attack shows how the boundary between war and negotiation has become increasingly blurred – with military actions now directly disrupting peace efforts.

The challenge facing the international community must not be understated. In the absence of secure and impartial venues, such as Doha, organising peace negotiations becomes significantly more complex. Multilateral organisations such as the United Nations, in conjunction with major powers, have a duty to strengthen safeguards for mediating nations and to denounce infringements on sovereignty that jeopardise them.

Qatar’s credibility as a mediator may have been damaged, but the principle it embodies remains vital. If neutral venues fail, the foundations of diplomacy also crumble. This would result in more conflicts having no peaceful solutions and lead the world closer to endless confrontation.

The Conversation

M. Waqas Haider 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. Israel’s strike on Qatar was a serious blow against diplomacy in the Middle East – https://theconversation.com/israels-strike-on-qatar-was-a-serious-blow-against-diplomacy-in-the-middle-east-265313

Racism isn’t innate – here are five psychological stages that may lead to it

Source: The Conversation – UK – By Steve Taylor, Senior Lecturer in Psychology, Leeds Beckett University

Sadly, there are signs that racism is increasing across the world.

Research from Europe and Australia in recent years has found a rise in the number of people experiencing racism. Reports from the US and UK have indicated that most ethnic minority participants felt racism was getting worse. And a global study has found rising incidents of discrimination.

Animosity to those who appear different to us seems easy to arouse, especially in times of hardship and upheaval. Throughout history, human groups have scapegoated minorities, such as Jews, the Roma and immigrants.

Some scientists have suggested that racism is an innate human trait that evolved in the distant past. According to the evolutionary psychologist Pascal Boyer, racism is “a consequence of highly efficient economic strategies” that enables us to “keep members of other groups in a lower-status position, with distinctly worse benefits”.

In other words, why would our ancestors decrease their own chances of survival by sharing resources with other groups?

Another theory from evolutionary psychology is that racism may have evolved as an “energy-saving” strategy. To interact or mate with ethnically different groups would have involved a lot of time and energy, through coordinating with different social norms. Therefore, we developed a tendency to view different groups as different species to avoid, saving ourselves “costly interaction with outgroup members”.

However, I argue the above theories are dubious. First of all, evidence suggests that, due to tiny populations, there was an abundance of resources for early human beings, and so no need to actively deny others from accessing food and water. Second, the above theories don’t fit with what anthropology tells us about the behaviour of early human groups.

There is a great deal of anthropological and archaeological evidence showing that prehistoric groups didn’t avoid each other. They often intermarried, frequently mixed and changed membership. The same pattern is shown by an absence of territorial behaviour and a strikingly low level of warfare.

Alternative explanations

Maybe other areas of psychology can provide a better explanation. Research shows a link between prejudice and poor psychological functioning, including poor relationships with insecurity and aggression. This can often be traced back to a disturbed and insecure childhood. Other research has shown a link between racism and anxiety, demonstrating that people become more prejudiced during challenging times.

More generally, studies demontrate that when people are made to feel insecure or anxious, they are more likely to identify with their national or ethnic groups. This enhances their self-esteem and their sense of identity, as a defence against insecurity and anxiety.

There are clearly social and economic factors that encourage racism, such as hierarchy and inequality. But the above research suggests that racism is largely a psychological defence mechanism against anxiety and insecurity.

Five stages to racism

From this psychological perspective, it’s possible to identify different stages in the development of racism. According to the theory I propose in my book DisConnected, the process begins when a person lacks a sense of security and identity, which generates a desire to affiliate themselves with a group. This affiliation strengthens their identity and provides a sense of belonging.

What’s wrong with this? Why shouldn’t we take pride in our national or religious identity, and feel a sense of brotherhood or sisterhood with others who share our identity?

Milwaukee, WI., USA - July 15, 2024: Demonstrators with the Coalition to March on the RNC protest the nomination of Donald Trump for president on the first day of the Republican National Convention
Tensions have been rising in the US for many years.
Vic Hinterlang/Shuttestock

Because group identity often leads to a second, more dangerous stage. In order to further strengthen their sense of identity, members of a group may develop antagonism towards other groups. Such hostility may make the group feel more defined and cohesive, as if they can see themselves more clearly in opposition to others.

A third stage of the process is when members of a group withdraw empathy from members of other groups, limiting their concern and compassion to their peers. They may act benevolently towards members of their own group but be indifferent or callous to anyone outside it. As I show in DisConnected, the withdrawal of empathy turns other human beings into objects, and enables cruelty and violence.

Fourth is the homogenisation of individuals belonging to other groups. People are no longer perceived in terms of their individual personalities or behaviour, but in terms of prejudices about the group as a whole. Any member of the group is a legitimate target and can be punished for the alleged transgressions of other individuals from the group. In contemporary terms, any asylum seeker can be punished for the alleged crime of an individual asylum seeker.

Finally, people may project their own psychological flaws and personal failings onto another group, as a strategy of avoiding responsibility. Other groups become scapegoats, and consequently are liable to attacked or even murdered. People with strong narcissistic and paranoid personality traits are especially prone to such projection, since they struggle to accept their personal faults, instead searching for others to take the blame.

In other words, racism is a symptom of psychological ill-health, a sign of anxiety and of a lack of identity and inner security. Psychologically healthy people with a stable sense of identity and security are very rarely (if ever) racist. They ultimately have no need to strengthen their sense of self through group identity.

In my view, racism is an aberration, not an innate human trait. It’s also worth remembering that the very concept of race is baseless. There is no genetic or biological basis for dividing the human race into distinct “races”.

There are just groups of human beings — all of whom came from Africa originally — who developed slightly different physical characteristics over time as they travelled to, and adapted to, different climates and environments.

The Conversation

Steve Taylor 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. Racism isn’t innate – here are five psychological stages that may lead to it – https://theconversation.com/racism-isnt-innate-here-are-five-psychological-stages-that-may-lead-to-it-264391

Climate change is fast shrinking the world’s largest inland sea

Source: The Conversation – UK – By Simon Goodman, Lecturer in Evolutionary Biology, University of Leeds

The Caspian Sea is roughly the size of Germany or Japan, but is shrinking fast. Nasa

Once a haven for flamingos, sturgeon and thousands of seals, fast-receding waters are turning the northern coast of the Caspian Sea into barren stretches of dry sand. In some places, the sea has retreated more than 50km. Wetlands are becoming deserts, fishing ports are being left high and dry, and oil companies are dredging ever-longer channels to reach their offshore installations.

Climate change is driving this dramatic decline in the world’s largest landlocked sea. Found at the boundary between Europe and central Asia, the Caspian Sea is surrounded by Azerbaijan, Iran, Kazakhstan, Russia, and Turkmenistan, and sustains around 15 million people.

The Caspian is a hub for fishing, shipping, and oil and gas production, and is of rising geopolitical importance as it sits where the interests of global superpowers meet. As the sea shallows, governments face the critical challenge of maintaining industries and livelihoods, while also protecting the unique ecosystems that sustains them.

I’ve been visiting the Caspian for more than 20 years, working with local researchers to study the unique and endangered Caspian seal, and support its conservation. Back in the 2000s, the far north-eastern corner of the sea was a mosaic of reed beds, mudflats and shallow channels that teemed with life, providing habitats for spawning fish, migrating birds, and tens of thousands of seals that gathered there to moult in the spring.

Now these remote wild places we visited to catch seals for satellite tracking studies are dry land, transitioning to desert as the sea retreats, and the same story is playing out for other wetlands around the sea. This experience parallels that of coastal communities, who year by year are seeing the water recede away from their towns, fishing wharves and ports, leaving infrastructure stranded on newly-dry land, and the people fearful for the future.

Seals and satellite maps
Top: Caspian seals among reed beds in Komsomol Bay (shaded orange in satellite images), April 2011. Bottom: The extent of coastal recession in the north east Caspian Sea 2001-2024, satellite imagery from Nasa Worldview.
(Seal photo: © Simon Goodman, University of Leeds; satellite imagery from NASA Worldview

A sea in retreat

The level of Caspian Sea has always fluctuated, but the scale of recent change is unprecedented. Since the turn of the current century, water levels have declined by around 6cm per year, with drops of up to 30cm per year since 2020. In July 2025, Russian scientists announced the sea had dropped below the previous minimum level recorded during the era of instrumental measurements.

During the 20th century, variations were due to a combination of natural factors and humans diverting water to use for agriculture and industry, but now global warming is the main driver of decline. It might seem inconceivable that a body of water as large as the Caspian could be at risk, but in the hotter climate the rate of water entering the sea from rivers and rainfall is reducing, and is now being outstripped by increased evaporation from the sea surface.

Even if global warming is limited to the Paris agreement target of 2°C, water levels are predicted to fall up to ten metres compared to the 2010 coastline. With the current global trajectory of greenhouse gas emissions, the decline could reach 18 metres, which is about the height of a six-storey building.

Because the northern Caspian is shallow – much of it only around five metres deep – small decreases in depth mean huge losses of area. In recent research, colleagues and I showed that even an optimistic ten-metre decline would uncover 112,000 square kilometres of seabed – an area larger than Iceland.

What’s at stake

The ecological consequences would be dramatic. Four out of ten ecosystem types unique to the Caspian Sea would disappear completely. The endangered Caspian seal could lose up to 81% of its current breeding habitat, and Caspian sturgeon would lose access to critical spawning habitat.

Cute babe seal + maps
Top: Caspian seal pup sheltering by ice ridge; Bottom: Potential reduction in Caspian seal breeding habitat under different water level decline scenarios. Under a five-metre decline, the loss could as much as 81%.
Seal: © Central-Asian Institute of Environmental Research; Maps: Court et al. 2025

As in the Aral Sea disaster, where another massive lake in central Asia almost entirely disappeared, toxic dust from exposed seabed would be released, with serious health risks.

Millions of people are at risk of displacement as the sea recedes, or face highly degraded living conditions. The sea’s only link to the global shipping network is through the delta of the Volga River (which flows into the Caspian) and then via an upstream canal to the Don River for connections to the Black Sea, Mediterranean and other river systems. But the Volga is already struggling with reduced water depth.

Ports like Aktau in Kazakhstan and Baku in Azerbaijan need dredging just to keep operating. Similarly oil and gas companies are having to dredge long channels to their offshore facilities in the north Caspian.

Already the costs of protecting human interests are in the billions of dollars and are only set to grow further. The Caspian is central to the “middle corridor”, a trade route linking China to Europe. As water levels fall, shipping loads must be reduced, costs rise, and settlements and infrastructure risk being stranded tens or even hundreds of kilometres from the sea.

A race against time

Countries around the Caspian are having to adapt, relocating ports, and dredging new shipping lanes. But these measures risk conflicting with conservation goals.

For instance, there are plans to dredge a major new shipping channel across the “Ural saddle” of the north Caspian. But this is an important area for seal breeding, migration and feeding, and will be a vital area for the adaptation of ecosystems as the sea recedes.

Since the rate of change is so rapid, traditional fixed boundary protected areas risk becoming obsolete. What’s needed is an integrated, forward-looking approach to planning across the whole region. If the areas ecosystems will need to adapt to climate change are mapped and protected now, planners and policy makers will be better able to ensure future infrastructure projects avoid or minimise further damage.

To do this Caspian countries will have to invest in biodiversity monitoring and planning expertise, all while coordinating action across five different countries with different priorities.

Caspian countries are already recognising the existential risks, and have begun to form intergovernmental agreements to address the crisis. But the rate of decline may outstrip the pace of political cooperation.

The ecological, climatic and geopolitical importance of the Caspian Sea means its fate ultimately matters far beyond its receding shores. It provides a key case study in how climate change is transforming major inland water bodies across the world, from Lake Titicaca to Lake Chad. The question is whether governments can act fast enough to protect both the people and nature of this rapidly changing sea.

The Conversation

Simon Goodman has provided advice to the United Nations Environment Programme (UNEP) on Caspian seal conservation, and in the past has conducted research and advised oil and gas companies in the Caspian on how to minimise their impact on seals. His recent work was not funded by or linked to industry. He is co-chair of the International Union for Conservation of Nature (IUCN) pinniped specialist group.

– ref. Climate change is fast shrinking the world’s largest inland sea – https://theconversation.com/climate-change-is-fast-shrinking-the-worlds-largest-inland-sea-265239

Big-spending Premier League needs to spread more of its wealth to poorer clubs or everyone loses

Source: The Conversation – UK – By Robert Simmons, Professor of Economics, Lancaster University

The 2025 summer football transfer window was a record for the English Premier League with teams spending £3.9 billion on transfer fees for new players. That’s more than the top divisions of France, Germany, Italy and Spain combined.

The most expensive transfer was Alexander Isak’s drawn out switch from Newcastle United to Liverpool, who forked out £125 million for the forward and will also pay him a salary of around £13 million a year (plus bonuses).

So there is plenty of money being spent at the top end of English football. But it’s a very different story in the tiers below, where the likes of Morecambe FC and Sheffield Wednesday have spent the summer in crisis over financial issues.

In fact, all three divisions below the Premier League (Championship, League One and League Two) make a financial loss every year. The economic chasm between the teams at the top and those at the bottom is only getting wider and there is an ever-increasing chance that some clubs will soon become insolvent.

And though the economic strife affecting teams in the lower leagues might not seem like such a big problem for the Premier League giants and their fans – any fans of any team, in fact – it should be.

The four divisions (92 clubs) of English league football are linked every season by promotion and relegation. Such is the fluidity of this system that Brighton and Hove Albion and Bournemouth are now enjoying life in the Premier League having gradually clawed their way up from the fourth tier.

In the other direction, Luton Town has been relegated twice in the past two years from the Premier League to League One. The jeopardy attached to the hope and dread of going up or going down is part of what makes English football so captivating – and attractive to broadcasters and sponsors.

If clubs are weak financially, and unable to afford to develop or bring in fresh talent, the whole system risks becoming static. In recent years, even promoted sides struggle (all the teams promoted to the Premier League in the last two seasons have been immediately relegated again), often resulting in unappealing fixtures where weaker teams are thrashed by stronger ones. This kind of competitive imbalance could undermine the value of future broadcast rights fees.

Those fees are important part of the football economy, although again, it is the teams at the top of the tree which benefit the most.

Championship, League One and League Two clubs received negligible fee income from broadcast rights until recently, after a new broadcast deal with Sky TV started in 2024 which is worth £935 million over five years. (The current domestic Premier League deal is worth £6.7 billion over four years.)

Sharing is caring

So lower division clubs now have games accessible to viewers and a new income stream that should help offset financial losses. But the real financial win comes from getting as far up the football pyramid as possible

For the lower leagues then, promotion is always the biggest goal. The new celebrity-backed owners of Birmingham City and Wrexham have the explicit ambition of reaching the Premier League. The end of season playoff final between two Championship teams fighting for promotion to the Premier Leagues is estimated to be worth around £200 million, given the increased broadcast incomes that would follow.

For its part, the Premier League has often restated a commitment to keeping the 92-team hierarchical structure of English football intact, and currently supports teams in the lower leagues through a mechanism of “solidarity payments”.

As of the 2024-25 season, these payments were £5.5 million per club for Championship teams (apart from those relegated from EPL which receive much larger “parachute payments” instead), £1 million per club for League One and £0.75 million per club for League Two.

Nevertheless, many EFL clubs still rely on loans and capital injections, often by their owners, to get by. And the gap in economic power remains vast.

In 2023-24, Liverpool’s total revenue was £614 million while Morecambe’s was £4.57 million.

If the EPL is serious about sustaining the 92-team hierarchical structure in England then there is scope for dramatically increasing these solidarity payments – which could be made conditional on sound financial practices by receiving clubs. Like a wealth tax for football, more generous payments would essentially help to reduce economic inequality across English football as a whole, and make for a financially much healthier sport.

The Conversation

Robert Simmons 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. Big-spending Premier League needs to spread more of its wealth to poorer clubs or everyone loses – https://theconversation.com/big-spending-premier-league-needs-to-spread-more-of-its-wealth-to-poorer-clubs-or-everyone-loses-263750

The 17th-century woman who wrote about surviving domestic abuse

Source: The Conversation – UK – By Naomi Baker, Senior Lecturer in English Renaissance Literature, Manchester University

A Woman Asleep Over a Book by Jan de Bray (1660). British Museum

Women have been describing their experiences of male abuse for centuries – we just haven’t always been ready to listen to them.

In the 17th century, Anne Wentworth (1630-c.1693) spoke out against her abusive husband and the religious institution that protected him. She knew it was risky to reveal the shocking truth about an outwardly charming man who was regarded as a pillar of the community. Yet she felt compelled to tell her story.

Not only was her own life – and that of her daughter – on the line, but William Wentworth’s abusive behaviour was evidence of corruption within the Baptist church of which they were both members. Wentworth believed herself to be on a divinely appointed mission. God was using her as his “battleaxe”, she claimed, the instrument with which he would excise the rottenness at the heart of this religious community.

The remarkable Wentworth, who published accounts of her experience of spousal abuse, is one of a dozen dissenting 17th-century women whose incredible stories I tell in my book, Voices of Thunder: Radical Religious Women of the Seventeenth Century.

Like the other women in the book, Anne prioritised her sense of God’s voice speaking in her conscience above all else – a stance that empowered her to stand up to institutional forms of power and oppression. William and his powerful Baptist allies did everything they could to silence and to discredit her. But no amount of intimidation could divert her from her quest to bring the truth about her husband to light.

Originally from Lincolnshire, Anne married William, probably a glove dealer, in around 1652. They lived in London, where they were members of a “Particular” (or Calvinist) Baptist congregation. For almost 20 years, William “grossly abused” Anne both mentally and physically, being such a “scourge and lash” to her that she “lived in misery”.

By the time she was 40 years old, she was physically and emotionally spent. After so many years of suffering “great oppression and sorrow of heart”, Anne collapsed with a “hectic fever”. Narrowly escaping death, she believed that God had spared her life for a reason. No longer willing to live a lie, she decided that it was time not only to leave her husband but to declare her “testimony” to “the world”.

For years she had suffered in silence but now the truth poured out of her. In just four years she published four searing accounts of her experiences, including A True Account of Anne Wentworth’s Being Cruelly, Unjustly, and Unchristianly Dealt With by Some of Those People Called Anabaptists (1676) and A Vindication of Anne Wentworth (1677).

‘Mad’ women

Anne knew that publishing her story would enrage her husband and would alienate her from the church community that “could not bear the truth to be spoke” about him.

Her story was met with hostility, as she knew it would be. In the eyes of the Baptists, she wrote, she was a “proud, passionate, revengeful, discontented, and mad woman”, one who had “unduly published things to the prejudice and scandal of [her] husband” and had “wickedly left him”. She had given an account of decades of abuse, but it was Anne rather than William who was hauled before the leaders of their church, charged with “rejecting and neglecting their church” and with “dissatisfying” her husband.

Soon afterwards, Anne’s husband locked her out of her home. And then on September 25 1677 he committed what to Anne’s mind was his worst crime to date. Determined to suppress her testimony, William ran off with all her manuscripts, destroying six-years’ worth of writing. So “cruel” and “unchristian” had he become that by the following month Anne and her daughter were in hiding, having been forced to run for their lives. Her only so-called crime, she pointed out, was her writing: “Oh, injustice!”

It was Anne’s spiritual convictions that inspired her to speak out against oppression and injustice. She believed that God had spoken to her personally, calling her to fight not simply against her husband or the Baptist church but against wider forces of evil and oppression. Like many in her era, she believed herself to be living in the end times, when the battle against Antichrist spoken of in the biblical book of Revelation would reach its climax.

As a religious hypocrite, William in Anne’s view embodied the spirit of Antichrist, meaning that her crusade to expose the truth about him became to her mind nothing short of an apocalyptic struggle. It was this sense of the cosmic significance of her “testimony” that empowered her to tell her story.

Anne’s account of her experiences ends on a happy note. A year after being locked out of her home, she managed to regain entry, immediately changing the locks so that her husband no longer had the “power to come and put her out”. Supported by her remaining friends, she was back in the home where she had first put pen to paper, risking her reputation, home and community for the sake of speaking the truth.

Anne faced severe repercussions for telling the unvarnished truth about her life, but her determination to do so means that her story remains available to us today. It stands as testimony to one 17th-century woman’s refusal to be silenced.


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The Conversation

Naomi Baker 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. The 17th-century woman who wrote about surviving domestic abuse – https://theconversation.com/the-17th-century-woman-who-wrote-about-surviving-domestic-abuse-260128

Donald Trump’s second state visit to the UK: the pageantry, politics and pitfalls

Source: The Conversation – UK – By David Hastings Dunn, Professor of International Politics in the Department of Political Science and International Studies, University of Birmingham

Donald Trump’s second state visit to the UK provides an opportunity to compare and contrast the visit he made six years ago, while Elizabeth II was on the throne.

Although it’s unprecedented for a head of state to visit twice, Trump’s second visit, from September 16 to 18, is consistent with royal protocol. This dictates that a head of state can make one visit to the UK per monarch, so given that Charles III is now the UK’s head of state, the protocol allows for Trump to make a second visit.

Much has changed in the world and in the US president’s approach in the years since Trump’s first visit. From a British perspective the aim will be to gloss over the differences between the two leaders and stress continuity in UK-US relations.

This means underlining the historic relationship between the UK and the US, their common heritage, cultural and political traditions, and their shared values and international outlook. State visits are a pictorial narrative of symbolic connectivity, both cultural and political, a visible link to past visits and relationships.

To achieve this, the Trumps will visit St George’s Chapel at Windsor, inspect the guard of honour and be taken on a tour of the Royal collection in Green Drawing Room of Windsor Castle, where they will be shown objects which relate to British and American shared history.

A joint flypast of British and American air force F-35 aircraft will symbolise both industrial and military collaboration as the embodiment of the “special relationship”. As with last time, the programme has been choreographed to keep Trump a safe distance from protesters and politics.

This – as last time – will be the “heritage and high life” version of Britain. This visit represents a high point in Trump’s journey from the outer boroughs of New York to the heart of what he regards as elite society.

Symbolically, it seems to complete his mother’s journey, after fleeing poverty in Scotland in the 1930s, for her son to now be hosted and feted by the British monarch. Trump’s love of the royal family is well documented; their global fame, celebrity and high regard are aspects of performative public life that he aspires to emulate.

Potential pitfalls

Trump’s visit comes as the UK grapples with a number of issues in which the US has a significant interest. First is the removal of Peter Mandelson as the UK’s ambassador to the US.

Mandelson is known to have developed a friendly relationship with the US president, so the subject of his dismissal and its circumstances – over a friendship with Jeffrey Epstein – may be at the front of Trump’s mind as his opponents at home press to discover more about the nature of his own relationship with the disgraced financier.

Another issue is the UK government’s pledge to recognise Palestinian statehood alongside other G7 allies such as France and Canada.

The official US position, repeated recently by the American ambassador to Israel, Mike Huckabee, is that recognition of the state of Palestine would be “disastrous” and “rewards Hamas’s monstrous terrorism”. And you’d imagine the UK government will be keen for Trump to avoid references to recent anti-immigration marches.

For Keir Starmer, the UK’s prime minister, the hope must be that Trump and his team will be on their best behaviour during the visit for fear of spoiling the celebratory mood. Perhaps repeatedly stressing the “special relationship” will help insulate the UK from Trumpian criticism.

The real test of this will be after all the royal pageantry of honour guards, flypasts and state banquets, when Trump is due to meet Starmer at Chequers on September 18. Starmer will want the narrative to focus on a new “landmark” deal on building nuclear reactors between the two countries. He will be hoping to negotiate a more favourable tariff regime on UK steel exports.

It’s unlikely, though, that Mandelson’s sacking and Palestinian statehood will not be raised. The potential for the US president to air his views in public is one which must be worrying the UK prime minister and his advisers.

The US president has demonstrated his tendency to try to dominate every news cycle by provocative acts and statements – what’s known as “flooding the zone”. On his first state visit to the UK, he preceded the trip with an interview in The Sun newspaper, in which he intervened in the leadership contest underway in the Conservative party.

He endorsed Boris Johnson, saying he would make an excellent new premier. On Trump’s arrival he immediately engaged in a Twitter exchange with London Major Sadiq Khan, who had opposed his visit, calling him “a stone cold loser”.

A very different president

In his first term of office, Trump’s presidency was largely managed by the so-called “adults in the room”. He was surrounded by establishment advisers who protected the novice president and the wider world from some of his more erratic impulses and wilder instincts.

His second term, however, represents a very different version of Trump in power. Surrounded by loyalists and enablers, Trump has set about dismantling the traditional idea of what American power represents, at home and abroad. From the domestic turmoil as his policies repeatedly challenge US constitutional norms to his erratic and often dangerous trade and foreign policies, the contrast is striking.

Part of the way in which this manifests in foreign policy is a willingness to leverage American power to advance US national interests, apparently without concessions to America’s allies. Trump’s willingness to demand support for the fossil fuel industry, to press for a tougher approach to China, and his championing of an absolutist approach to free speech are all features of this second-term strategy – and may well be on the agenda when he meets Starmer.

With a US president who appears willing to change his foreign policy approach based on how he may feel on any given day, it’s a visit fraught with potential pitfalls.

The Conversation

David Hastings Dunn has previously received funding from the ESRC, the Gerda Henkel Foundation, the Open Democracy Foundation and has previously been both a NATO and a Fulbright Fellow.

– ref. Donald Trump’s second state visit to the UK: the pageantry, politics and pitfalls – https://theconversation.com/donald-trumps-second-state-visit-to-the-uk-the-pageantry-politics-and-pitfalls-265295

Businesses have a moral responsibility to stand up to autocrats

Source: The Conversation – Canada – By David Silver, Chair in Business and Professional Ethics, University of British Columbia

Aspiring autocrats are increasingly pressuring businesses to co-operate with their quest for wealth and power, such as by demanding they direct corporate funds towards their personal enrichment or fire personnel who are critical of them.

Autocrats undermine democratic societies by rejecting the rule of law, the separation of powers, free and fair elections and the rights of vulnerable groups. They also threaten free markets by tying business success to political co-operation and obedience rather than to skill in the marketplace.

On this International Day of Democracy, these threats remind us that the business community is a critical part of democratic society and it shares responsibility for protecting it.

Public reaction often splits when companies are regarded as having capitulated to autocratic demands, as when Paramount settled a lawsuit with U.S. President Donald Trump over editorial decisions in the production of a CBS interview.




Read more:
ABC’s and CBS’s settlements with Trump are a dangerous step toward the commander in chief becoming the editor-in-chief


In such cases, some direct their anger towards the companies, arguing they have an obligation to resist. Others argue that such moral anger is misplaced because these businesses are simply acting in a rational manner to protect their interests.

These two reactions mirror a longstanding division over the moral agency of businesses and the responsibilities they hold in society.

Finances versus morals

While business ethicists see corporations as governed by a range of moral duties, many others see them as pure profit-maximizers who cannot be held to any moral standard. Legal scholar Joel Bakan, for instance, argued in his 2004 book that if a corporation were a real person, it would be a psychopath.

According to this “psychopathic” view, society can positively shape the behaviour of corporations through regulation and enforcement. Businesses can also claim that it’s good for their bottom line to align their actions with the interests of their stakeholders and the rest of society.

Book cover of Corporations and Persons: A Theory of the Firm in Democratic Society by David Silver
‘Corporations and Persons: A Theory of the Firm in Democratic Society’ by David Silver.
(Oxford Academic)

However, whether it’s in a company’s best financial interest to adhere to any moral standard is ultimately an empirical question. Doing the “right” thing does not necessarily guarantee the highest profit.

The moral case for businesses to resist autocratic demands is more straightforward. As a scholar in business ethics, I recently wrote about this in Corporations and Persons: A Theory of the Firm in Democratic Society.

The book uses philosophical methods to argue that, despite metaphysical, economic and legal arguments to the contrary, corporations are fully morally accountable for their actions and they have a number of moral duties relating to the democratic governance of society.

Defending liberal democracy

Liberal democratic states like Canada share a fundamental commitment to the freedom and equality of all their citizens, and it’s the shared responsibility of everyone in society to help uphold these commitments when they’re threatened.

The idea that even businesses have a duty to help protect liberal democracy is not new. Consider American economist Milton Friedman, a conservative icon who famously argued that the primary social duty of firms is to make profits for shareholders.

Writing against the backdrop of the Cold War, he decried how the business leaders of his time were channelling society into an oppressive form of socialism through a misguided sense of “social responsibility,” and urged them to resist participating in this march towards “unfreedom.”

A similar call is appropriate as business leaders respond to the demands of today’s autocrats. When these leaders capitulate, it further consolidates autocratic power and makes it harder for other institutions — such as law firms and universities — to resist. Each act of capitulation is thereby another step away from a free society.

The moral responsibility of businesses

When acts of resistance are completely futile, we may excuse businesses that capitulate to authoritarian demands. But these excuses don’t hold up for powerful companies whose public resistance can help stem the rising tide of authoritarianism.

Those who believe that companies bear no moral responsibility will argue that their responses to autocratic demands are driven solely by self-interest.

From this view, business leaders must weigh the risk of retaliation for acts of resistance against the dangers of ceding power to authoritarians — who may, in turn, make increasingly costly demands or personal threats. They must also weigh the long-term reputational damage their firms might incur for capitulating.

An illustration of colonists boarding ships in a harbour and dumping chests of tea into the water
The Destruction of Tea at Boston Harbor lithographed and published by Nathaniel Currier, 1846. Depicting American colonists dumping chests of East India Company tea into Boston Harbor to protest a tax placed upon tea, it’s one of the earliest acts of protest against corporate and imperial power.
(The Library of Congress)

However, as I argue in my book, this amoral view of the firm doesn’t stand up to scrutiny. One common argument is that businesses cannot be expected to act morally because market competition will discipline those that voluntarily forgo profits.

But this line of thinking is flawed, and ignores the fact that we demand competitors in all sorts of arenas — including in sports and war — to adhere to moral standards.

While corporations face several kinds of pressures that can make it difficult for them to live up to their moral obligations, they are nonetheless still morally accountable for what they do. Similarly, the moral agency of businesses is not erased by their being threatened by autocrats with the abusive use of state power.

What can companies do?

Businesses have tools that can help them manage their risks while honouring their duty to resist autocratic demands. These include standing together in solidarity, and relying on courts and other parts of society still committed to liberal democratic values to help protect their interests.

It’s therefore not up to the business community alone to defend liberal democratic society against autocracy.

However, as I argue in the book, the successful defence of liberal democracy against authoritarianism calls for an all-of-society effort that critically includes morally responsible leadership from within the business community.

The Conversation

David Silver 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. Businesses have a moral responsibility to stand up to autocrats – https://theconversation.com/businesses-have-a-moral-responsibility-to-stand-up-to-autocrats-263170

Information collected by the world’s largest radio telescope will be stored and processed by global data centres

Source: The Conversation – Canada – By Simon Blouin, Postdoctoral Fellow, Astronomy, University of Victoria

An artist’s impression of the Square Kilometre Array telescope in South Africa.
(SKAO)

When the Square Kilometre Array (SKA) Observatory goes online later this decade, it will create one of science’s biggest data challenges. The SKA Observatory is a global radio telescope project built in the Southern Hemisphere. There, views of our Milky Way are clearest and the SKA’s remote sites limit human-made radio interference.

The project spans two sites: approximately 131,000 Christmas-tree-shaped antennas in western Australia and 200 large dish antennas in the Karoo region of South Africa. As part of this international collaboration, Canada has established a data-processing centre at the University of Victoria.




Read more:
Canada’s participation in the world’s largest radio telescope means new opportunities in research and innovation


The SKA Observatory will produce around 600 petabytes of data each year. That amount would take 200 years to download using an at-home internet connection of 100 megabytes per second.

This data volume exceeds by a significant margin even what is produced by the Large Hadron Collider, often considered to be the world’s premier big data science project.

Research aims

Among its many science goals, the SKA detects faint radio signals emitted during the Cosmic Dawn, roughly 50 million to one billion years after the Big Bang, when the very first stars and galaxies lit up the universe.

The SKA will also test Albert Einstein’s theory of general relativity by timing signals from pulsars (rapidly spinning neutron stars) with high accuracy.

Another goal is understanding fast radio bursts – brief, intense radio pulses from distant sources. The SKA is expected to detect fast radio bursts far more frequently than current instruments, providing a large dataset to help determine their cause, building on work done by facilities like Canada’s CHIME telescope.

Initial data from the SKA is expected in 2027, with the start of major science operations in 2029 as the array is built and commissioned in phases.

an image of outer space showing the moon in the top right and dots of light throughout
The first image from an early working version of the SKA Observatory’s SKA-Low telescope, which is currently under construction in western Australia.
(SKAO), CC BY

Canada’s role

Handling the large volume and complexity of SKA data requires a global network of specialized computing facilities, collectively known as SKA Regional Centres (SRCs).

Canada became a member of the SKA Observatory research project in 2024. Shortly after joining, Canada committed to establishing one such centre.

The Canadian SRC (CanSRC) will be the sole SRC in the Americas, serving as an important node for processing, storing and providing streamlined access to SKA data. It will allow researchers to focus on scientific analysis rather than data management hurdles.

Big Astronomy

The SKA is part of astronomy’s ongoing evolution toward “Big Science,” where international collaboration becomes essential for scientific breakthroughs. This large-scale approach not only changes how science is funded, but also how it is conducted.

While the SKA will still accommodate traditional investigator-led proposals — where individual scientists or small teams request specific telescope time and computational resources for more focused projects — most of its observing power will target ambitious, multi-year projects designed by large international teams.

Canadian researchers participate in all of the SKA Science Working Groups and have co-chaired four of them in recent years. Canada is recognized as a world leader in studies of pulsars, cosmic magnetism and transients, as well as in low-frequency cosmology, areas where the SKA will make some of its most transformative discoveries.

a red blotch against a grey background
The centre of our Milky Way galaxy as seen by MeerKAT, a South African radio telescope that will become part of the SKA.
(South African Radio Astronomy Observatory), CC BY

Astronomical data management

Building, developing and managing CanSRC requires collaboration among the National Research Council’s Canadian Astronomy Data Centre, with four decades of experience in astronomical data management; the Digital Research Alliance of Canada, offering high-performance computing resources; CANARIE, operating the high-speed research network for data transfer; and the University of Victoria’s Arbutus cloud platform, supplying the scalable infrastructure.

The project leverages expertise concentrated within the University of Victoria’s Astronomy Research Centre, which brings together researchers from the University of Victoria, the National Research Council Herzberg Astronomy and Astrophysics Research Centre and TRIUMF, Canada’s national particle accelerator centre.

Importantly, CanSRC ensures that researchers have access to SKA data. The capabilities developed through CanSRC will strengthen Canada’s digital ecosystem for the future.

Digital discovery

CanSRC will serve as a gateway for developing and expanding the use of advanced data methods and algorithms, helping scientists from research and industry sectors harness massive datasets.

Applications of these techniques extend far beyond astronomy, with potential uses in medical imaging, remote sensing and artificial intelligence.

The Conversation

Falk Herwig receives funding from the National Research Council of Canada and the Natural Science and Engineering Research Council of Canada.

JJ Kavelaars receives funding from the National Research Council of Canada and the Natural Science and Engineering Research Council of Canada.

Sébastien Fabbro receives funding from the National Research Council of Canada and the Natural Science and Engineering Research Council of Canada.

Simon Blouin 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. Information collected by the world’s largest radio telescope will be stored and processed by global data centres – https://theconversation.com/information-collected-by-the-worlds-largest-radio-telescope-will-be-stored-and-processed-by-global-data-centres-255268