News
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Health & MedicineCows might host both human and bird flus
Both kinds of influenza viruses may break into cattle cells using receptors similar to those in people, wild birds and poultry.
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Health & MedicineA new gel stops mice from getting too drunk
The iron-milk substance can break down alcohol fast and protect against liver damage in mice. Scientists hope to test the gel in people next.
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CosmologyThe universe may have a complex geometry — like a doughnut
Physicists haven’t yet ruled out the possibility that the universe has a complicated topology in which space loops back around on itself.