Archive: 06/28/2007

RNA may play larger role in cell's gene activity

Large, seemingly useless pieces of RNA - a molecule originally considered only a lowly messenger for DNA - play an important role in letting cells know where they are in the body and what they are supposed to become, researchers ...

Jun 28, 2007
4.6 / 5 (5) 0

Bright future for nanowire light source

A bio-friendly nano-sized light source capable of emitting coherent light across the visible spectrum, has been invented by a team of researchers with the U.S. Department of Energy’s Lawrence Berkeley National ...

Jun 28, 2007
4.5 / 5 (51) 0

Tectonic signatures at Aeolis Mensae

The High Resolution Stereo Camera (HRSC) on board Mars Express has provided snapshots of the Aeolis Mensae region. This area, well known for its wind-eroded features, lies on a tectonic transition zone, characterised ...

Jun 28, 2007
4.1 / 5 (8) 0

Loss of cell's 'antenna' linked to cancer's development

Submarines have periscopes. Insects have antennae. And increasingly, biologists are finding that most normal vertebrate cells have cilia, small hair-like structures that protrude like antennae into the surrounding ...

Jun 28, 2007
4.7 / 5 (7) 0

Branding matters -- even when searching

Web searchers who evaluated identical search-engine results overwhelmingly favored Yahoo! and Google, providing evidence that branding matters as much on the Internet as off, according to a Penn State study.

Jun 28, 2007
4.7 / 5 (3) 0

Wood ant queen has no egg-laying monopoly

The reproductive monopoly of the ant queen is not as strong as is often thought. Dr. Heikki Helanterä and Prof. Lotta Sundström, biologists working at the University of Helsinki, Finland, investigated worker ovary development ...

Jun 28, 2007
3 / 5 (4) 0

The newest AI computing tool: people

A USC Information Sciences Institute researcher is among a growing group of computer scientists learning to solve difficult IT problems of information classification, reliability and meaning by datamining public websites ...

Jun 28, 2007
3.4 / 5 (16) 0