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Image of the Day
Amanda B. Keener | May 26, 2015
By taking cues from bird feathers, scientists engineer nanoparticle structures that produce striking colors.
The Rise of Color
Jef Akst | Jul 1, 2014
An analysis of modern birds reveals that carotenoid-based plumage coloring arose several times throughout their evolutionary history, dating as far back as 66 million years ago.
Jef Akst | Jan 24, 2014
Although mantis shrimp eyes have twelve different photoreceptors, the crustaceans have a hard time distinguishing colors, according to a new study.
Abby Olena | Jan 5, 2014
A mutation in a gene that helps regulate the acidity of vacuoles gives blue petunias their signature color.
Book Excerpt from
Dorion Sagan | Aug 1, 2013
In Chapter 9, “Life Gave Earth the Blues,” author Dorion Sagan addresses the planet’s exuberant color palette, evoking the contribution of industrious microbes.
Dinosaurs’ Shiny Black Feathers
Cristina Luiggi | Mar 9, 2012
A 130 million-year-old winged dinosaur offers scientist the oldest evidence of iridescent feathers.
How the Zebra Got Its Stripes
Jef Akst | Feb 9, 2012
Zebras may have evolved their striped coat to avoid blood-sucking flies.