The iridescent shimmer that makes birds such as peacocks and hummingbirds so striking is rooted in a natural nanostructure so complex that people are only just beginning to replicate it technologically. The secret to how ...
Plants & Animals
Dec 21, 2021
0
119
Researchers have shown that newly designed pixel-scale metasurface lenses—flat surfaces that use nanostructures to manipulate light—can be used to make imaging sensors that are roughly three times more sensitive than ...
Optics & Photonics
Dec 15, 2021
0
59
Most birds aren't as colorful as parrots or peacocks. But if you look beyond the feathers, bright colors on birds aren't hard to find: Think pink pigeon feet, red rooster combs and yellow pelican pouches.
Evolution
Dec 9, 2021
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1381
Bumblebees waste no time enjoying the beauty of flowers—instead learning the bare minimum about where to land and find food, new research shows.
Plants & Animals
Dec 8, 2021
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134
The Smart Polymer Materials group led by Prof. Chen Tao at the Ningbo Institute of Materials Technology and Engineering (NIMTE) of Chinese Academy of Sciences (CAS) has developed a fluorescent organohydrogel which can serve ...
Materials Science
Nov 2, 2021
0
21
The captured electrons typically absorb light in the visible spectrum, so that a transparent material becomes colored under the presence of such centers, for instance in diamond. "Color centers are often coming along with ...
Quantum Physics
Nov 1, 2021
0
530
Carotenoids are the underlying pigment for much of the enormous variety of color found across birds and form the basis for the colors red, yellow and orange. In a study published in Current Biology, researchers from Uppsala ...
Plants & Animals
Oct 26, 2021
0
74
While most people in the U.S. may think of bumble bees as the standard yellow and black variety, there are an estimated 260 bee species that sport about 400 different color patterns. One reason many people associate bumble ...
Plants & Animals
Oct 22, 2021
0
107
After decades of studying color vision in mice, new research in zebrafish has allowed experts at the University of Tokyo to uncover how some animals regulate their ability to see blue light. The results, published in Science ...
Plants & Animals
Oct 14, 2021
0
20
In computer science, the graph coloring problem is a classic. Inspired by the map-coloring problem, it asks: Given a network of nodes connected by links, what's the minimum number of colors you need to color each node so ...
Mathematics
Oct 12, 2021
0
30
