News tagged with light

A light switch inside the brain

Activating and deactivating individual nerve cells in the brain is something many neuroscientists wish they could do, as it would help them to better understand how the brain works.

Jan 18, 2013
popularity not rated yet | comments 1

Seeing below the skin: Advanced tools to diagnose cancer

(Medical Xpress)—Worried about all the time you spent in the sun during your teen years? There's good reason, says Dr. Jane M. Grant-Kels, chair of the Department of Dermatology at the University of Connecticut Health Center.

Jan 07, 2013
popularity not rated yet | comments 0

Crag keeps the light 'fantastic' for photoreceptors

The ability of the eye of a fruit fly (Drosophila melanogaster) to respond to light depends on a delicate ballet that keeps the supply of light sensors called rhodopsin constant as photoreceptors turn on and off in respon ...

Dec 04, 2012
popularity 5 / 5 (1) | comments 0 | with audio podcast

Like coffee, blue light keeps night drivers alert

(Medical Xpress)—Researchers from the Université Bordeaux Segalen, France, and their Swedish colleagues have recently demonstrated that constant exposure to blue light is as effective as coffee at improving ...

Nov 23, 2012
popularity 5 / 5 (3) | comments 0 | with audio podcast