A large iceberg can carry a large amount of gravitational potential energy. While all icebergs float with the bulk of their mass submerged beneath the water's surface, some drift around with precarious orientations-they are ...
Earth Sciences
Mar 2, 2012
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Consisting of densely vegetated platforms raised slightly above sea level, and interwoven by channels of water meandering inland from the coast, tidal marshlands help buffer against strong storm surges, protect against flooding, ...
Earth Sciences
Mar 2, 2012
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(PhysOrg.com) -- Even in the early stages of cancer, individual cancer cells can be found in the blood. Certain subsets of these circulating tumor cells can cause metastasis. In cases of breast cancer, it is known that these ...
Analytical Chemistry
Mar 2, 2012
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Animals and plants have evolved all sorts of chemical tricks that allow them to colonize extreme environments. For species that call Antarctica or the Arctic home, surviving sub-zero temperatures is an essential ability, ...
Materials Science
Mar 2, 2012
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(PhysOrg.com) -- Thanks to the flexible yet robust properties of carbon nanotubes, researchers have previously fabricated transistors that can be rolled, folded, and stretched. Now a team from Japan has made an all-carbon-nanotube ...
A Phoenix-like lander that would mine the deepest hole yet into Mars- to a depth of 5 meters – and unveil the nature of the mysterious deep interior and central core of the Red Planet is under consideration by NASA for ...
Space Exploration
Mar 2, 2012
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Electrical engineers are starting to consider materials made from organic molecules -- including those made from carbon atoms -- as an intriguing alternative to the silicon and metals used currently in electronic devices, ...
Condensed Matter
Mar 2, 2012
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(PhysOrg.com) -- Imagine sitting around a conference table with several of your colleagues as you hold an important meeting. Now imagine your boss pulling out what looks like a radar gun for catching speeding motorists and ...
(AP) -- Two-thirds of China's cities currently fail to meet stricter air quality standards that the government wants to phase in over four years to combat notoriously smoggy skies, a senior Chinese environmental official ...
Environment
Mar 2, 2012
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Scientists have come up with an entirely new way to monitor the health of Earth’s plants from space. In work published in Geophysical Research Letters, researchers working at NASA’s Jet Propulsion Laboratory (JPL) ...
Earth Sciences
Mar 2, 2012
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