26/10/2005

Ice Beneath Mars Is Asking, 'Can You Hear Me Now?'

In August 2003, as the twin Mars Exploration Rovers were barreling toward Mars in their flying saucers, scientists and engineers sent a radio signal disguised as the rovers' "voice" to the Odyssey orbiter at Mars.

Cornell Finds Natural Selection in Humans

The most detailed analysis to date of how humans differ from one another at the DNA level shows strong evidence that natural selection has shaped the recent evolution of our species, according to researchers from Cornell ...

Experimental Observation of 'Digital' Heat Flow

The first observation of "digital" or quantized heat flow in a nanostructure at ambient conditions has been made by Caltech researchers using carbon nanotubes suspended between two electrodes.

Ban On Russian Rokot Launches Lifted

The ban on launches of Russian Rokot boosters, which were blamed for the recent loss of a 140-million euro satellite belonging to the European Space Agency, has been lifted, a spokesman for the Russian Space Forces told RIA ...

Color perception: Not in beholder's eye

University of Rochester scientists say the first images of living human retinas have shown color perception differs dramatically among people.

Study: Heavy rains can produce more dust

A recent NASA study of some of Earth's dustiest areas indicates heavy downpours can eventually lead to more dust being released into the atmosphere.

Scientists track Siberian tiger cubs

U.S. Wildlife Conservation Society researchers and their Russian colleagues have fitted three 40-day-old Siberian tiger cubs with radio tracking collars.

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