A team of scientists led by researchers from Caltech report in this week's issue of the journal Nature that the rocks on which much of a theory on how the "Snowball Earth" ice age ended was based were formed millions of years ...
Earth Sciences
May 25, 2011
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Australian meteorologists on Wednesday declared La Nina, the disruptive weather pattern behind floods and cyclones that brought death and destruction this year, to have ended.
Earth Sciences
May 25, 2011
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from the blink of an eye to running a marathon—nerve cells transmit signals to muscle cells. To do that, nerve cells rely on tiny molecular motors to transport chemical messengers (neurotransmitters) that excite muscles ...
Biochemistry
May 25, 2011
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Twitter has bought TweetDeck, a London-based startup that helps people read, write and organize the short messages posted on the online network - and will keep the service going.
Internet
May 25, 2011
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The Pacific Northwest has the diverse feedstocks, fuel-delivery infrastructure and political will needed to create a viable biofuels industry capable of reducing greenhouse gases and meeting the future fuel demands of the ...
Energy & Green Tech
May 25, 2011
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With legislation to diminish private- and public-sector collective bargaining rights already in the books in Wisconsin and Ohio, should more labor unions steal a page from the playbook of the NFL Players Association and decertify? ...
Economics & Business
May 25, 2011
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The eruption of Iceland's Grimsvoetn volcano has tailed off and its ash plume has almost disappeared, experts and officials said on Wednesday, refusing though to declare the flight-disrupting incident closed.
Earth Sciences
May 25, 2011
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French President Nicolas Sarkozy's "e-G8" summit on the power of the Internet suffered a technical hiccup when cyber-attacks disrupted the forum's wireless connection, organisers said Wednesday.
Internet
May 25, 2011
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(AP) -- Yahoo Inc. CEO Carol Bartz found herself in a familiar position Wednesday: assuring stock market analysts that she will clean up a mess damaging the long-slumping Internet company's market value.
Business
May 25, 2011
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Japan's recent magnitude 9.0 earthquake, which triggered a devastating tsunami, relieved stress along part of the quake fault but also has contributed to the build up of stress in other areas, putting some of the country ...
Earth Sciences
May 25, 2011
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