(PhysOrg.com) -- Roughly 3.5 billion years ago, the first epoch on Mars ended. The climate on the red planet then shifted dramatically from a relatively warm, wet period to one that was arid and cold. Yet there was at least ...
Space Exploration
Oct 31, 2010
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They are the portals to the cell, gateways through which critical signals and chemicals are exchanged between living cells and their environments.
Biochemistry
Oct 31, 2010
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(AP) -- The government has spent many millions of dollars in recent decades cleaning up sites contaminated with dioxin and, in extreme cases, relocating residents of entire neighborhoods tainted by the toxin.
Environment
Oct 31, 2010
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(PhysOrg.com) -- Chandra Tucker shines a blue light on yeast and mammalian cells in her Duke University lab and the edges of them start to glow. The effect is the result of a light-activated switch from a plant that has been ...
Cell & Microbiology
Oct 31, 2010
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(AP) -- After a two-day delay, NASA's countdown clocks began ticking Sunday toward the final launch of space shuttle Discovery.
Space Exploration
Oct 31, 2010
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Apple is suing Motorola for infringing on patents related to its smart phones.
Business
Oct 31, 2010
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Nokia Siemens Networks has successfully tested a technology that could drastically increase the data carrying capacity of standard copper wires. The company achieved data transmission speeds of 825 megabits per second (Mbps) ...
Telecom
Oct 31, 2010
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The ocean surface is 30 percent more acidic today than it was in 1800, much of that increase occurring in the last 50 years - a rising trend that could both harm coral reefs and profoundly impact tiny shelled plankton at ...
Environment
Oct 31, 2010
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(AP) -- Before picking up any Wii games or downloading apps on her iPhone for her two daughters, Lillian Quintero does her homework. She'll first read reviews online and in magazines, then try them out for herself. If she ...
Software
Oct 31, 2010
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(PhysOrg.com) -- A University of Alberta geomicrobiologist and his PhD student are part of a research team that has identified phosphorus as the mystery ingredient that pushed oxygen levels in the oceans high enough to establish ...
Earth Sciences
Oct 31, 2010
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