13/08/2014

Animal-free reprogramming of adult cells improves safety

Human stem cells produced through genetic reprogramming are beset by safety concerns because current techniques alter the DNA of the stem cells and use material from animals to grow them. Now, A*STAR researchers have developed ...

A mirror with a peephole

When light shines through air onto water, some of the light usually will be reflected back into the air. But at one specific angle, called the Brewster angle, all of the p-polarized light travels into the water with no reflection. ...

Hubble eyes galaxy as it gets a cosmic hair ruffling

(Phys.org) —From objects as small as Newton's apple to those as large as a galaxy, no physical body is free from the stern bonds of gravity, as evidenced in this stunning picture captured by the Wide Field Camera 3 and ...

Effective climate agreement not likely

According to a group of Norwegian researchers, the prospects for achieving an effective international climate treaty are poor. The measures that are politically feasible are ineffective and the measures that would be effective ...

James Webb Space Telescope "Pathfinder" backplane's path to NASA

The "central backbone" of NASA's James Webb Space Telescope practice-model recently took a cross-country trip to be part of a simulation of putting together vital parts of the telescope. The pathfinder recently traveled a ...

Why white dogs are white

(Phys.org) —About half of all dogs show some form of white spotting which can range from a few white marks in the Bernese mountain dog to extreme white coat color in Dalmatians and white boxer. But why have dogs so often ...

Games, WeChat boost Tencent profit to $949 million

China's Tencent Holdings Ltd., which operates online games and the popular WeChat messaging service, said Wednesday its quarterly profit rose 59 percent due to strong growth in its mobile business.

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