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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 ...
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Sonic is a perfect example of character design evolution
Sonic is everywhere at the moment thanks the success of Sonic the Hedgehog 3 on the big screen. But our favourite spiny blue mammal has appeared in many guises over the years, from the video games ...