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Subjects
UV rays
UV rays
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.
Study: UV Light Destroys Bat-Killing Fungus
Katarina Zimmer | Jan 5, 2018
White nose syndrome has killed millions of bats throughout North America since it was discovered on the continent.
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.
Fish Make Their Own Sun Protection
Jenny Rood | May 14, 2015
Zebrafish and other vertebrates have the enzymatic machinery to synthesize gadusol, an ultraviolet light-absorbing compound.
The Dark Side of Melanin
Anna Azvolinsky | Feb 19, 2015
Researchers uncover a previously unknown way UV light can act on melanin, spurring cancer-causing mutations hours after sun exposure.
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.
Blue Whales Get Tans
Kate Yandell | Sep 2, 2013
The large mammals alter the levels of melanin in their skin depending on sun exposure, helping them to avoid DNA damage.
UV Radiation Frying Marine Life
Cristina Luiggi | Aug 13, 2012
A study suggests that increased UVB radiation from the sun is behind the decline of many marine species.
Sun Prevents Chickenpox?
Jef Akst | Dec 21, 2011
A new study shows that chickenpox is less common in areas of the world with high levels of UV radiation.
How Caffeine Fights Cancer
Jef Akst | Aug 15, 2011
Caffeinated drinks may help prevent skin cancer by inhibiting a DNA repair pathway, thus killing potentially precancerous cells.