In a new study, researchers inhibited a gene during embryonic development to make chicken feathers more primitive, like the kind of simple tube-shaped proto-feathers that likely first emerged in the ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Chicken feathers, much like human hair and fingernails, are composed ...

Estrogen derived from the ovaries transforms the default (primitive) male-type feathers into female-type feathers by regulating the hormone systems within the feather follicles. Birds possess unique ...