Environment
Penguin tail feathers reveal secrets of where they swim for food
Conservationists need to track penguin populations, but tagging hundreds of birds is impractical. A technique borrowed from forensics offers a solution
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Conservationists need to track penguin populations, but tagging hundreds of birds is impractical. A technique borrowed from forensics offers a solution
A controversial article says we鈥檙e heading for the worst-case warming scenarios. But while we can鈥檛 rule out extreme warming, it鈥檚 not our most likely future