An international team of paleontologists has discovered remarkable new evidence that pterosaurs, the flying relatives of dinosaurs, were able to control the color of their feathers using melanin pigments.
Paleontology & Fossils
Apr 20, 2022
2
423
To understand the biological underpinnings of skin and hair pigmentation and related diseases such as albinism or melanoma, scientists and doctors need quantitative, three-dimensional information about the architecture, content ...
Cell & Microbiology
Oct 5, 2021
0
100
The chemical compound glyphosate, the world's most widely used herbicide, can weaken the immune systems of insects, suggests a study from researchers at the Johns Hopkins Bloomberg School of Public Health. Glyphosate is the ...
Plants & Animals
May 13, 2021
0
42
The pigment melanin protects human skin from harmful UV light (and gives us a summer tan), and is a veritable treasure trove for new materials and technologies. Although melanin occurs naturally, the complex biopolymer can ...
Biochemistry
Mar 9, 2021
1
13
The idea of creating selectively porous materials has captured the attention of chemists for decades. Now, new research from Northwestern University shows that fungi may have been doing exactly this for millions of years.
Materials Science
Mar 5, 2021
1
427
UCC palaeontologists have discovered new evidence that the fate of vertebrate animals over the last 400 million years has been shaped by microscopic melanin pigments.
Evolution
Feb 4, 2021
0
37
Melanin's high refractive index (RI) and broadband absorption capability contribute to the pigment's ability to protect against ultraviolet radiation (UV). These optical properties also contribute to the vibrant structural ...
Materials Science
Nov 26, 2020
0
138
We've long been warned of the risks of dyeing hair at home and in salons. Products used can cause allergies and skin irritation—an estimated 1% of people have an allergy to dye. Furthermore, repeated use of some dyes has ...
Materials Science
Oct 30, 2020
0
85
Packing for outer space? Here's one thing you won't want to forget.
Materials Science
Jul 8, 2020
0
637
With the coronavirus pandemic temporarily shuttering hair salons, many clients are appreciating—and missing—using hair dye to cover up grays or touch up roots. Whether done at a salon or at home, frequent coloring, however, ...
Materials Science
Apr 29, 2020
0
50
