quinta-feira, 18 de outubro de 2012

Daily News Digest: Reuters Science News Headlines - Yahoo! News

Thursday, Oct 18, 2012 04:32 PM PDT

Rover Curiosity eats first Martian dirt 
Thursday, Oct 18, 2012 04:32 PM PDT
(Reuters) - NASA's Mars rover Curiosity tasted Martian dirt for the first time on Thursday, testing equipment needed to assess if the planet most like Earth in the solar system has or ever had the ingredients for microbial life. The sampling of about a baby aspirin's worth of Martian sand was slightly delayed while scientists puzzled over unusual brightly colored flecks in the hole carved out by Curiosity's scoop. Initially, the team believed the bright flecks were shed by the rover, similar to bits of plastic debris discovered last week. ...
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"Genius" inventor Stanford Ovshinsky dies 
Thursday, Oct 18, 2012 12:19 PM PDT
(Reuters) - Stanford R. Ovshinsky, the Michigan-based inventor whose development of the nickel-metal hydride battery helped the Toyota Prius become the world's first successful hybrid car, died on Wednesday evening, aged 89. Ovshinsky, a self-taught scientist, also developed -- and often patented -- a wide variety of breakthrough products and processes, from thin-film solar cells to hydrogen fuel cells. It was his work on the rechargeable NiMH battery, however, that had the broadest reach and greatest impact on consumers. ...
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Search for alien life about to step up a gear 
Thursday, Oct 18, 2012 10:09 AM PDT
LONDON (Reuters) - It remains in the realm of science fiction for now but the discovery of a new planet just four light years away will reignite a race to find a twin of planet Earth that may host extraterrestrial life. The step change comes as the most powerful telescopes ever built are about to enter into service and as ideas about where life could exist are being turned on their head. At the same time, scientific discussion about the possible existence of alien life is becoming more mainstream. ...
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Harvard scientists suggest Moon made from Earth 
Wednesday, Oct 17, 2012 08:26 PM PDT
The moon passes between the sun and the earth as viewed through coastal fog rolling in from the ocean in Encinitas, California(Reuters) - A new theory put forward by Harvard scientists suggests the Moon was once part of the Earth that spun off after a giant collision with another body. In a paper published on Wednesday in the journal Science, Sarah Stewart and Matija Ćuk said their theory would explain why the Earth and Moon have similar composition and chemistry. The Earth was spinning much faster at the time the Moon was formed, and a day lasted only two to three hours, they said. ...
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