While the patterns and colors of lizards' skin are fascinating, the mechanisms behind them are largely unknown. A team from the University of Geneva (UNIGE) studied the leopard gecko, a popular lizard, to understand how the ...
Plants & Animals
Jul 10, 2024
0
0
Beachgoers are familiar with the experience of spending hours in the sun, going home, and noticing only hours later that their skin has changed color.
Molecular & Computational biology
Aug 2, 2023
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31
When early Stone Age farmers first moved into Europe from the Near East about 8,000 years ago, they met and began mixing with the existing hunter-gatherer populations. Now genome-wide studies of hundreds of ancient genomes ...
Evolution
Mar 23, 2023
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37
Have you ever wondered why some people have lighter eyes than others? Differences in iris coloration have traditionally been explained as a result of sexual selection, but a recent study led by researchers from the Department ...
Plants & Animals
Oct 17, 2022
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128
The pigments that create skin, hair, and eye color are produced in organelles called melanosomes, which are located within skin cells called melanocytes and several types of eye pigment cells. Albinism, a condition characterized ...
Cell & Microbiology
Oct 10, 2022
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4
Your skin forms the physical boundary between you and the outside world, yet it still holds a surprising number of secrets. Now, researchers from Japan have discovered that sensory nerve cells in the skin do more than just ...
Cell & Microbiology
Sep 20, 2022
0
69
A team of researchers affiliated with several institutions in China has found evidence of natural selection based evolutionary changes to people living in Europe over the past two to three thousand years. In their paper published ...
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
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
A new study in the Oxford Economic Papers finds that migration flows the last 500 years from high sunlight regions to low sunlight regions influence contemporary health outcomes in destination countries.
Evolution
Jan 7, 2021
1
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