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Could bird flu in cows lead to a human outbreak? Slow response worries scientists

The H5N1 virus is a long way from becoming adapted to humans, but limited testing and tracking mean we could miss danger signs


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Sex and gender in science

Fraught societal debates, particularly surrounding gender identity, are raising new questions about how to best take account of sex and gender in research, both in human health and elsewhere – even as scientists are increasingly recognizing that they must move beyond paradigms based on extrapolating findings from men or male animals.


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