The brightest hues in nature are produced by tiny patterns in, say, feathers or scales rather than pigments. These so-called "structural colors" are widespread, giving opals their fire, people their ...

Peppered moths in England changed their camouflage during the Industrial Revolution, as buildings and trees around the city became darkened by soot and other pollution from early factories. New ...

The first tiger moth to evolve had ancestral defenses--this species is the base of the tiger moth evolutionary tree." Five species of Gnophaela are members of the tiger moths, day flying moths that ...

Peppered moths and copycat butterflies owe their wing color-changing abilities to a single gene, two independent studies suggest. “This begins to unravel exactly what the original mutation was that ...

Light- and dark-colored peppered moths. The black variety is thought to have evolved to camouflage moths on sooty surfaces during the Industrial Revolution. Wikimedia Commons Want to learn more about ...

Triangular leaf senecio, Senecio triangularis, is common on the eastern slope of Cimarron Ridge in the San Juan Mountains, from 9,000 to over 10,000 feet. This year they grew to 5 feet tall with ...