Photo of the Day: Pluto's Blue Sky

This may look like a simple circle with a blue glow around it, but it is not. This is an image of the planet Pluto with an amazing blue haze around it, formed by tiny particles called Tholins that scatter sunlight to give this amazing blue glow.

Image credit: NASA/JHUAPL/SwRI

Original source and more information: New Horizons Finds Blue Skies and Water Ice on Pluto

Photo of the Day: Optogenetics. Being Controlled by Light!

It is like living inside a science-fiction movie. A revolutionary new technique called optogenetics lets scientists control your neurons by focusing light on them.

Image credit: Ed Boyden and Massachusetts Institute of Technology McGovern Institute

Original Source: Optogenetics -- revolutionary new research technique (Image 1)

Courtesy: National Science Foundation