News from Science

It's the first video evidence of polar bears hunting and eating reindeer—something that had long been assumed, but never clearly seen.

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Artificial intelligence has tackled a mystery that has flummoxed cell biologists for decades.

Anthropic reports its key #AI model, Claude, has helped unearth new clues about vaults—strange, barrellike structures, found by the thousands in animal and plant cells, that still have no known function despite scores of studies.

In a blog post and related preprint, Anthropic describes how its small team of in-house biologists, guided by Claude, produced the first direct evidence that bacteria, viruses, and perhaps other simple microbes also make the odd structures.

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“We can actually get control of these three diseases,” says Mark Dybul, who will return to the Global Fund to Fight AIDS, Tuberculosis, and Malaria after 9 years. scim.ag/4ztROgb

Researchers funded through the European Union's pandemic recovery package are facing an uncertain future as the program comes to an end. @ScienceCareers scim.ag/3UxmbD8

For the second time this year, the Harvard Graduate Students Union has gone on strike after the university failed to provide a “meaningful response” to demands for better pay and stronger protections for survivors of harassment and noncitizen student workers. scim.ag/4enc6zr