Even Healthy Tissues Carry Clusters of Cells with Mutations: Study
Even Healthy Tissues Carry Clusters of Cells with Mutations: Study
Most of the genetic alterations are harmless, but some may contribute to cancer.
Even Healthy Tissues Carry Clusters of Cells with Mutations: Study
Even Healthy Tissues Carry Clusters of Cells with Mutations: Study

Most of the genetic alterations are harmless, but some may contribute to cancer.

Most of the genetic alterations are harmless, but some may contribute to cancer.

sunlight
Sunscreen Ingredients Absorbed into Blood: Study
Sunscreen Ingredients Absorbed into Blood: Study
Catherine Offord | May 7, 2019
FDA researchers report that multiple active ingredients wind up in users’ bloodstream and recommend toxicology testing to investigate the clinical significance of the findings.
Solar-Powered Yeast Are More Efficient Drug Factories
Solar-Powered Yeast Are More Efficient Drug Factories
Ruth Williams | Nov 15, 2018
Researchers have outfitted brewer’s yeast with light-harvesting semiconductors to boost chemical productivity.
Could a Dose of Sunshine Make You Smarter?
Could a Dose of Sunshine Make You Smarter?
Ruth Williams | May 17, 2018
Moderate ultraviolet light exposure boosts the brainpower of mice thanks to increased production of the neurotransmitter glutamate.  
What the Sun Does to Photoreceptors
What the Sun Does to Photoreceptors
Catherine Offord | Aug 16, 2017
Optometrist and eclipse-chaser Ralph Chou describes how even a partially eclipsed sun can damage the eye.
Light Scattering Varies Among Corals
Light Scattering Varies Among Corals
Ashley P. Taylor | Jul 13, 2017
A new study reports which types of corals make the most of the sunlight they receive. 
Next Generation: Nano Sunblock
Next Generation: Nano Sunblock
Anna Azvolinsky | Sep 28, 2015
A new nanoparticle-based sunblock is effective, long-lasting, and may eliminate absorption of potentially harmful chemicals into the skin and bloodstream, a mouse study shows.
Light Lowers Blood Pressure
Light Lowers Blood Pressure
Tracy Vence | Jan 20, 2014
UVA exposure reduces human blood pressure by releasing nitric oxide metabolites from storage in the skin.
Dung Beetles Navigate by Sunlight
Dung Beetles Navigate by Sunlight
Jef Akst | Jan 7, 2014
Shortly after demonstrating dung beetles’ ability to navigate by the stars, researchers in Sweden provide evidence that the insects can also use the sun to find their way.
Electric Lights Alter Daily Rhythms
Electric Lights Alter Daily Rhythms
Kate Yandell | Aug 6, 2013
Humans’ circadian clocks become skewed when they are exposed to electric lights but revert to a schedule more in tune with the sun when they go camping.