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Chickens sprouted dino-like feathers when scientists messed with the Sonic Hedgehog gene
Scientists uncovered a key genetic pathway in the origin of feathers, but they found that evolution is stubborn in turning ...
Tyla1d
Scientists finally have answer to age-old question about whether chicken or egg came first
Scientists have given a definitive answer on the age old debate of whether the chicken or the egg came first, and there ...