07/01/2013

YouTube mistakenly closes Syria watchdog channels

The popular video hosting website YouTube said on Monday it had mistakenly shut down two accounts of the Syrian Observatory for Human Rights, a key source of information in the 21-month Syria conflict.

Engineered bacteria make fuel from sunlight

Chemists at the University of California, Davis, have engineered blue-green algae to grow chemical precursors for fuels and plastics—the first step in replacing fossil fuels as raw materials for the chemical industry.

Exocomets may be as common as exoplanets

(Phys.org)—Comets trailing wispy tails across the night sky are a beautiful byproduct of our solar system's formation, icy leftovers from 4.6 billion years ago when the planets coalesced from rocky rubble.

Study: At least one in six stars has an Earth-sized planet

(Phys.org)—The quest for a twin Earth is heating up. Using NASA's Kepler spacecraft, astronomers are beginning to find Earth-sized planets orbiting distant stars. A new analysis of Kepler data shows that about 17 percent ...

The reason we lose at games

If you have ever wondered why you never seem to win at skill-based games such as poker or chess, there might be a very good reason. Writing in PNAS, a University of Manchester physicist has discovered that some games are ...

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