How do birds get their colors?

A new article in Physiological and Biochemical Zoology explores the role of melanins in creating complex plumage patterns in 9,000 species.

Dinosaur faces and feet may have popped with color

Most birds aren't as colorful as parrots or peacocks. But if you look beyond the feathers, bright colors on birds aren't hard to find: Think pink pigeon feet, red rooster combs and yellow pelican pouches.

How boundaries become bridges in evolution

There's a paradox within the theory of evolution: The life forms that exist today are here because they were able to change when past environments disappeared. Yet, organisms evolve to fit into specific environmental niches.

Carrots: Good for your eyes, and for degradable polymers

Carrots come in a rainbow of bright colors—red, orange, yellow and purplish black—because of compounds called carotenoids. They help support eye health by reacting with potentially harmful UV light. Interestingly, the ...

page 1 from 6