It was a spirited debate between friends that surfaced every time we got together. It was not about politics, the economy or the weather, but the more significant question, do birds have bills or ...
Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Some roughly 120-million-year-old seeds are telling a new story ...
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A secret mathematical rule has shaped the beaks of birds and other dinosaurs for 200 million years
Bird beaks come in almost every shape and size – from the straw-like beak of a hummingbird to the slicing, knife-like beak of an eagle. We have found, however, that this incredible diversity is ...
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