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A fossil feather from the age of dinosaurs may explain why only some birds survived

A fossil feather from the age of dinosaurs may explain why only some birds survived
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An extremely well preserved fossil feather could reveal why some birds survived the dinosaur-killing asteroid, and others did not.(Image credit: Nate Carroll)

An extremely well preserved fossil feather could reveal why some birds survived the dinosaur-killing asteroid, and others did not.

(Image credit: Nate Carroll
)

Nate Carroll (PERSON)
Originally published by NPR News Read original →