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Scientists have successfully genetically modified chickens to make their feathers resemble those of dinosaurs. This study is part of a broader effort to understand how and why feathers evolved.

FITZGERALD, Ga. – At the end of the day in Fitzgerald, when shop owners hang up “closed” signs and the fierce heat fades a little, chickens come out of the shadows. They hop across Main Street, tail ...

Alteration of the expression of the co-called 'Sonic Hedgehog' gene can transform feet scale and wing feathers. While a transient over-expression of the gene can permanently turn feet scales into ...