Solar-Powered Yeast Are More Efficient Drug Factories
Solar-Powered Yeast Are More Efficient Drug Factories
Researchers have outfitted brewer’s yeast with light-harvesting semiconductors to boost chemical productivity.
Solar-Powered Yeast Are More Efficient Drug Factories
Solar-Powered Yeast Are More Efficient Drug Factories

Researchers have outfitted brewer’s yeast with light-harvesting semiconductors to boost chemical productivity.

Researchers have outfitted brewer’s yeast with light-harvesting semiconductors to boost chemical productivity.

sunlight
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.
Inside the mind of Fritz Kahn
Cristina Luiggi | Feb 1, 2011
For more than 40 years, German gynecologist and legendary science writer Fritz Kahn (1888-1968) captured the imagination of an international audience with hundreds of wildly inventive illustrations and more than a dozen popular science books. 
Light Therapy, circa 1939
Cristina Luiggi | Feb 1, 2011
Around the turn of the 20th century—before sunscreens hit the market and the damaging effects of UV radiation were widely appreciated—physicians saw the sun mostly as a source of healing.