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Why birds don't have teeth

Why did birds lose their teeth? Was it so they would be lighter in the air? Or are pointy beaks better for worm-eating than the jagged jaws of dinosaur ancestors?

dateMay 23, 2018 in Evolution
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Long incubation times may defend birds against parasites

Some tropical birds have longer egg incubation times than their temperate cousins, even though their habitat is teeming with egg-eating predators. The reason why has long been a mystery, but a new study from The Auk: Ornithological ...

dateFeb 21, 2018 in Ecology
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Randomness a key in spread of disease, other 'evil'

An unfortunate church dinner more than 100 years ago did more than just spread typhoid fever to scores of Californians. It led theorists on a quest to understand why many diseases - including typhoid, measles, polio, malaria, ...

dateJan 02, 2018 in Mathematics
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Brooding dinosaurs

A new method used to perform geochemical analysis of fossilized eggs from China has shown that oviraptorosaurs incubated their eggs with their bodies within a 35–40° C range, similar to extant birds today. This finding ...

dateJun 29, 2017 in Archaeology & Fossils
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