https://www.livescience.com/birds/chickens-sprouted-dino-like-feathers-when-scientists-messed-with-the-sonic-hedgehog-gene
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3/20/25 at 6:00pm
Organization
Live Science
Author
Stephanie Pappas
Scientists uncovered a key genetic pathway in the origin of feathers, but they found that evolution is stubborn in turning back the clock.
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