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image: Could a Dose of Sunshine Make You Smarter?

Could a Dose of Sunshine Make You Smarter?

By Ruth Williams | May 17, 2018

Moderate ultraviolet light exposure boosts the brainpower of mice thanks to increased production of the neurotransmitter glutamate.  

2 Comments

image: Study: UV Light Destroys Bat-Killing Fungus

Study: UV Light Destroys Bat-Killing Fungus

By Katarina Zimmer | January 5, 2018

White nose syndrome has killed millions of bats throughout North America since it was discovered on the continent. 

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image: Next Generation: Nano Sunblock

Next Generation: Nano Sunblock

By Anna Azvolinsky | September 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.

4 Comments

image: Fish Make Their Own Sun Protection

Fish Make Their Own Sun Protection

By Jenny Rood | May 14, 2015

Zebrafish and other vertebrates have the enzymatic machinery to synthesize gadusol, an ultraviolet light-absorbing compound.

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image: The Dark Side of Melanin

The Dark Side of Melanin

By Anna Azvolinsky | February 19, 2015

Researchers uncover a previously unknown way UV light can act on melanin, spurring cancer-causing mutations hours after sun exposure.

5 Comments

image: Light Lowers Blood Pressure

Light Lowers Blood Pressure

By Tracy Vence | January 20, 2014

UVA exposure reduces human blood pressure by releasing nitric oxide metabolites from storage in the skin.

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image: Blue Whales Get Tans

Blue Whales Get Tans

By Kate Yandell | September 2, 2013

The large mammals alter the levels of melanin in their skin depending on sun exposure, helping them to avoid DNA damage.

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image: UV Radiation Frying Marine Life

UV Radiation Frying Marine Life

By Cristina Luiggi | August 13, 2012

A study suggests that increased UVB radiation from the sun is behind the decline of many marine species.

1 Comment

image: Sun Prevents Chickenpox?

Sun Prevents Chickenpox?

By Jef Akst | December 21, 2011

A new study shows that chickenpox is less common in areas of the world with high levels of UV radiation.

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image: How Caffeine Fights Cancer

How Caffeine Fights Cancer

By Jef Akst | August 15, 2011

Caffeinated drinks may help prevent skin cancer by inhibiting a DNA repair pathway, thus killing potentially precancerous cells.

12 Comments

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