News tagged with light

Moving cells with light holds medical promise

Scientists at Washington University School of Medicine in St. Louis have shown they can coax cells to move toward a beam of light. The feat is a first step toward manipulating cells to control insulin secretion ...

Apr 08, 2013
popularity 5 / 5 (3) | comments 0 | with audio podcast

Switching night vision on or off

Neurobiologists at the Friedrich Miescher Institute have been able to dissect a mechanism in the retina that facilitates our ability to see both in the dark and in the light. They identified a cellular switch ...

Mar 27, 2013
popularity 4.9 / 5 (7) | comments 0 | with audio podcast

Majority of Missouri tan salons allow pre-teens

A survey of tanning salon operators in Missouri shows that 65 percent would allow children as young as 10 to 12 years old to use tanning beds. That's despite evidence that any tanning bed use increases the risk of all skin ...

Feb 25, 2013
popularity not rated yet | comments 0

Want to get rid of that old tattoo? You're not alone

(HealthDay)—It seems that tattoos are everywhere these days, but along with the increase in people getting inked, the number of Americans undergoing procedures to have a tattoo removed is also on the rise, ...

Feb 09, 2013
popularity not rated yet | comments 1