Common tree species in the Amazon will survive even grim scenarios of deforestation and road-building, but rare trees could suffer extinction rates of up to 50 percent, predict Smithsonian scientists and colleagues in the ...
Environment
Aug 13, 2008
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Jeremy Jackson, senior scientist emeritus of the Smithsonian Tropical Research Institute and the Scripps Institution of Oceanography, asserts in the Aug. 12 issue of the journal Proceedings of the National Academy of Sciences, ...
Environment
Aug 13, 2008
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(PhysOrg.com) -- Scientists at the U.S. Department of Energy's National Renewable Energy Laboratory (NREL) have set a world record in solar cell efficiency with a photovoltaic device that converts 40.8 percent of the light ...
Energy & Green Tech
Aug 13, 2008
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(PhysOrg.com) -- For the last few years, astronomers have faced a puzzle: The vast majority of asteroids that come near the Earth are of a type that matches only a tiny fraction of the meteorites that most frequently hit ...
Space Exploration
Aug 13, 2008
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(PhysOrg.com) -- Say the word “biofuels” and most people think of grain ethanol and biodiesel. But there’s another, older technology called gasification that’s getting a new look from researchers at the U.S. Department ...
Nanomaterials
Aug 13, 2008
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(PhysOrg.com) -- UC San Diego computer scientists presented a new method this week for accurately capturing the shape and appearance of a person’s hairstyle for use in animated films and video games.
Computer Sciences
Aug 13, 2008
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Relational Uncertainty refers to people's lack of confidence in their perceptions of relationship involvement. A new study in the journal Personal Relationships evaluated associations between intimacy and relational uncertainty ...
Other
Aug 13, 2008
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Electronic devices get smaller and more complex every year. It turns out that fragility is the price for miniaturization, especially when it comes to small devices, such as cell phones, hitting the floor. Wouldn't it be great ...
Nanophysics
Aug 13, 2008
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(PhysOrg.com) -- Cells are expected to respond defensively when an antigen lands on a cell membrane and prepares to cause mischief.
Aug 13, 2008
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Samsung Electronics, the world leader in advanced semiconductor technology, announced today that it is introducing software designed to optimize the high performance features of its proprietary embedded flash memories: OneNAND, ...
Hardware
Aug 13, 2008
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