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
0
31
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
0
4
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
926
The story of humanity's vital—and fragile—relationship with the sun has been locked inside our teeth for hundreds of thousands of years. A new method is starting to tease out answers to major questions of evolution and ...
Other
May 18, 2017
0
102
Many factors can change skin pigmentation, including aging, exposure to UV light, certain drugs, as well as certain diseases. A simple technique for measuring skin pigmentation could be a helpful tool for research and diagnostics. ...
Analytical Chemistry
Apr 23, 2015
0
20
Individuals of a particular species generally differ from one another. We are clearly most adept at recognizing members of our own species, although dog and cat owners will be ready to confirm that their pets look unique. ...
Biotechnology
Jun 11, 2013
0
0
Variations in skin color provide one of the best examples of evolution by natural selection acting on the human body and should be used to teach evolution in schools, according to a Penn State anthropologist.
Evolution
Feb 20, 2011
55
0
People preferentially marry those with similar ancestry, but their decisions are not necessarily based on hair, eye or skin colour. Research, published in BioMed Central's open access journal Genome Biology, shows that Mexicans ...
Other
Nov 20, 2009
1
0
Excessive sunbathing damages the skin. Humans are not the only ones who need to monitor their exposure to UV rays: animals are at risk too. Dogs and cats with white or thin coats are at particular risk, as are animals with ...
Plants & Animals
Jun 27, 2014
1
1
