Have you ever wondered why leaves change color in the fall? Or how the trees know when to start dropping their leaves? Why ...

One enzyme has a key role in determining whether parrots’ rainbow plumage emerges in vibrant reds, yellows or greens, a new study shows. But how psittacofulvin pigments shift shades was unclear. An ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Excerpted from The Universe in 100 Colors: Weird and Wondrous Colors ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Parrots, toucans, and other brightly colored tropical birds are ...

Is color just a physiological reaction, a sensation resulting from different wave lengths of light on receptors in our eyes? Does color have an effect on our feelings? The phenomenon of color is ...