16/02/2006

New understanding of DNA repair

A mechanism by which genes are repaired has been described in detail for the first time. This new understanding may, in the long term, provide the scientific foundation upon which therapies to treat genetic diseases or cancers ...

Early human walking is studied

Arizona State University scientists studying fossilized anklebones have concluded our early ancestors walked with a rather unsteady gait.

Quantum telecloning: Captain Kirk's clone and the eavesdropper

Imagine Captain Kirk being beamed back to the Starship Enterprise and two versions of the Star Trek hero arriving in the spacecraft's transporter room. It happened 40 years ago in an episode of the TV science fiction classic, ...

Overseas NOx Could Be Boosting Ozone Levels in U.S.

Large amounts of a chemical that boosts ozone production are being transported to North America from across the Pacific Ocean in May, according to a new report by researchers from Georgia Tech. These higher levels of nitrogen ...

Most Cave Art The Work Of Teens Not Shamans

Long accustomed to lifting mammoth bones from mudbanks and museum shelves and making sketches from cave art to gather details about Pleistocene animal anatomy, renowned paleobiologist and artist R. Dale Guthrie offers a fascinating ...

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