In the bird world, the color red has special significance. Many species use red signals to attract mates or deter rivals, adding the color to their beaks, feathers, or bare skin. Generally speaking, as far as many birds are ...
Plants & Animals
May 19, 2016
0
130
A mathematical model developed by Brown University researchers is shedding new light on how zebrafish get their iconic stripes. The model helps to demonstrate how two dynamic processes—the movement of pigment cells across ...
Mathematics
Nov 17, 2015
0
58
A new study by Stanford University biologists finds an explanation for the idea that physical characteristics such as skin pigmentation are "only skin deep." Using genetic modeling, the team has found that when two populations ...
Evolution
Apr 5, 2021
6
2202
Snakes have adapted their vision to hunt their prey day or night. For example, snakes that need good eyesight to hunt during the day have eye lenses that act as sunglasses, filtering out ultraviolet light and sharpening their ...
Evolution
Aug 16, 2016
0
15
A bright blue compound that was first discovered by accident seven years ago in an Oregon State University laboratory – and has since garnered global attention – has now led to the more rational and methodical development ...
Materials Science
Sep 28, 2016
2
1208
A study published the week of July 5 in the Proceedings of the National Academy of Sciences led by Michael Moore at Washington University in St. Louis finds that dragonfly males have consistently evolved less breeding coloration ...
Ecology
Jul 5, 2021
9
23
A new study in The Journal of Organic Chemistry refutes a theory on the transfer of light energy.
Optics & Photonics
Mar 30, 2022
1
320
With new genome analysis tools, scientists have made significant advances in our understanding of modern humans' origins and ancient migrations.
Molecular & Computational biology
Apr 6, 2019
2
392
The popular idea that Northern Europeans developed light skin to absorb more UV light so they could make more vitamin D – vital for healthy bones and immune function – is questioned by UC San Francisco researchers in ...
Evolution
Jun 30, 2014
17
0
Many genetic mutations in visual pigments, spread over millions of years, were required for humans to evolve from a primitive mammal with a dim, shadowy view of the world into a greater ape able to see all the colors in a ...
Evolution
Dec 18, 2014
15
0
