Archive: 05/24/2011

Bacteria use caffeine as food source

A new bacterium that uses caffeine for food has been discovered by a doctoral student at the University of Iowa. The bacterium uses newly discovered digestive enzymes to break down the caffeine, which allows it to live and ...

May 24, 2011
4.5 / 5 (6) 4 | with audio podcast

Expanded VLA flexing new scientific muscle

A new and uniquely powerful tool for cutting-edge science is emerging on the crisp, high desert of western New Mexico. Outwardly, it looks much the same as the famed Very Large Array (VLA), a radio telescope ...

May 24, 2011
4.7 / 5 (3) 0

Biochemists reveal new twist on old fuel source

(PhysOrg.com) -- Stinging from humiliating defeat in World War I, Germany’s Nazi regime seized on technology developed by chemists Franz Fischer and Hans Tropsch that enabled the coal‐rich, petroleum‐poor ...

May 24, 2011
4.5 / 5 (6) 6 | with audio podcast

China has over 900 million mobile phone users

China had more than 900 million mobile phone subscribers at the end of April with nearly two-thirds of the world's most populous nation using cellular technology, the government said Tuesday.

May 24, 2011
5 / 5 (1) 1

Smart software for self-regulating smart grid

Siemens and the utility company Allgauer Uberlandwerk (AUW) in the city of Kempten, Germany, are testing the smart grids of the future. The tests focus on optimized power distribution and the use of a self-organizing ...

May 24, 2011
not rated yet 0

Robots, astronauts and asteroids

(PhysOrg.com) -- NASA has its sights set on asteroid exploration, which is just as tricky as it sounds. An asteroid has little gravitational force, which rules out walking on one. Anchoring to the surface ...

May 24, 2011
5 / 5 (1) 0

Want to make planets? Better hurry

Currently, astronomers have two competing models for planetary formation. In one, the planets form in a single, monolithic collapse. In the second, the core forms first and then slowly accretes gas and dust. ...

May 24, 2011
5 / 5 (1) 18