Image of the Day: Birds of a Feather
Image of the Day: Birds of a Feather
Despite containing similar chemical pigments, red and yellow parrot feathers display distinct hues.
Image of the Day: Birds of a Feather
Image of the Day: Birds of a Feather

Despite containing similar chemical pigments, red and yellow parrot feathers display distinct hues.

Despite containing similar chemical pigments, red and yellow parrot feathers display distinct hues.

color
Image of the Day: Colorful Butterfly-Bot
Image of the Day: Colorful Butterfly-Bot
The Scientist Staff | Apr 5, 2018
Scientists engineered biomaterials similar to those chameleons use to change color and applied them to a robot.
Hawaiian Spiders on Different Islands Evolved Same Disguise in Parallel
Hawaiian Spiders on Different Islands Evolved Same Disguise in Parallel
Catherine Offord | Mar 8, 2018
In an unusual evolutionary twist, local stick spiders have come up with an almost identical repertoire of color morphs in multiple locations.
Prosthetic Retinas Help Blind Mice See
Prosthetic Retinas Help Blind Mice See
Ashley Yeager | Mar 6, 2018
Artificial photoreceptors made of nanowires help restore blind animals’ sensitivity to light.
Image of the Day: Rainbow Butt
Image of the Day: Rainbow Butt
The Scientist Staff | Jan 4, 2018
Scientists explore why male peacock spiders are so colorful. 
Newton’s Color Theory, ca. 1665
Newton’s Color Theory, ca. 1665
Ashley P. Taylor | Mar 1, 2017
Newton’s rainbow forms the familiar ROYGBIV because he thought the range of visible colors should be analogous to the seven-note musical scale.
Study: Ducklings Can Think Abstractly
Study: Ducklings Can Think Abstractly
Alison F. Takemura | Jul 17, 2016
When imprinted on toy blocks, the young birds gravitate toward new toys that are the same shape or color as the originals, according to a study.
Color Clues in Dino Fossils
Color Clues in Dino Fossils
Karen Zusi | Aug 31, 2015
Researchers confirm that some microscopic imprints in fossilized dinosaur feathers are pockets of melanin.
Avian-Inspired Color
Avian-Inspired Color
Amanda B. Keener | May 26, 2015
By taking cues from bird feathers, scientists engineer nanoparticle structures that produce striking colors.
The Rise of Color
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.