Researchers find ‘missing link’ stem cells

A team of scientists at Oxford University has discovered a new type of embryonic stem cell in mice and rats that is the closest counterpart yet to human embryonic stem cells.

NASA Mars Rover Ready for Descent Into Crater

NASA's Mars rover Opportunity is scheduled to begin a descent down a rock-paved slope into the Red Planet's massive Victoria Crater. This latest trek carries real risk for the long-lived robotic explorer, but NASA and the ...

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 Laboratory, ...

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 by incised ...

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.

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 ...

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 ...

Scientists find that Earth and Mars are different to the core

Research comparing silicon samples from Earth, meteorites and planetary materials, published in Nature (28th June 2007), provides new evidence that the Earth’s core formed under very different conditions from those that ...

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