Choosing which anemone species to call home has dramatic consequences for young clownfish

New research details why clownfish living in different types of anemones develop stripes at different times

Bioengineered bacteria can make dyes more sustainable

Researchers gave bacteria the genetic tool they needed to make indigo naturally

Toa Heftiba / Unsplash

Scientists harness a rare true blue color from nature — in red cabbage

Chemists gave this natural pigment an extra blue boost with aluminum ions

Despite a mistaken mathematical proof, you do only need four colors to make a good map

Alfred Kempe's 1879 proof of the Four Color Theorem contained a mistake. Nearly a century, later his work was vindicated

snake with a dark zig-zag pattern on its back against some leaves

A viper's zig-zag colors help blur their predators' vision

Scientists previously thought that animals' color patterns were either warning signs or camouflage — on these snakes, they are both

Male mosaic canaries are more colorful than their female counterparts thanks to one gene

Researchers found that carotenoid pigments in female canaries' feathers break down faster than in males

Squid skin is naturally anti-microbial

This new finding makes squid skin a potentially valuable medical product, and could reduce waste from commercial fisheries

Buckeye butterflies get their color from their scales

Nanostructures combine with pigments to form all the colors in the rainbow