Painstaking new analysis of the genetic sequence of the X chromosome—long perceived as the "female" counterpart to the male-associated Y chromosome—reveals that large portions of the X have evolved to play a specialized ...
Biotechnology
Jul 21, 2013
0
0
In the blink of an eye, squid can change from sandy brown to vibrant red or ripple with bright metallic rainbows. Their color-changing abilities (and those of their fellow cephalopods, octopus and cuttlefish) are more sophisticated ...
Plants & Animals
Mar 6, 2019
0
96
Flower colors that contrast with their background are more important to foraging bees than patterns of colored veins on pale flowers according to new research, by Heather Whitney from the University of Cambridge in the UK, ...
Plants & Animals
Feb 21, 2013
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2
Imagine seeing the world in muted shades—gray sky, gray grass. Some people with color blindness see everything this way, though most can't see specific colors. Tinted glasses can help, but they can't be used to correct ...
Bio & Medicine
Mar 3, 2021
1
400
Nearly 30 ancient seashell species coloration patterns were revealed using ultraviolet (UV) light, according to a study published April 1, 2015 in the open-access journal PLOS ONE by Jonathan Hendricks from San Jose State ...
Archaeology
Apr 1, 2015
2
41
Inspired by the way iridescent bird feathers play with light, scientists have created thin films of material in a wide range of pure colors—from red to green—with hues determined by physical structure rather than pigments.
Nanomaterials
May 13, 2015
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712
The sclera of the eye is devoid of pigment, which is why humans can easily follow where counterparts are looking. Researchers have long believed this facilitates glance-based communication. A team of zoologists based at the ...
Plants & Animals
Jun 22, 2021
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10
(Phys.org) —Red on yellow, kill a fellow. Red on black, friend of Jack. That folk rhyme is supposed to help people distinguish venomous coral snakes from several non-venomous "mimics," animals that discourage predators ...
Plants & Animals
Jul 1, 2013
1
0
In-flight instructions used by astronaut John Glenn during his historic 1962 Mercury spaceflight have been sold at auction.
Space Exploration
Jul 22, 2016
2
212
The fly agaric with its red hat is perhaps the most evocative of the diverse and variously colored mushroom species. Hitherto, the purpose of these colors was shrouded in mystery. Researchers at the Technical University of ...
Evolution
Jul 2, 2019
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