News tagged with free surface
Ripple effect: Water snails offer new propulsion possibilities
Oct 09, 2008 |
4.1 / 5 (15) |
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(PhysOrg.com) -- A UC San Diego engineer has revealed a new mode of propulsion based on how water snails create ripples of slime to crawl upside down beneath the surface.
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New materials designed to deal with hypersonic and supersonic hot stuff (w/ Video)
Dec 24, 2009 |
4.7 / 5 (9) |
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University of Queensland researchers are testing new materials to withstand the extreme heat experienced by hypersonic vehicles in flight so they can fly for substantially longer.
Switchable Nanostructures Made with DNA
Nanotechnology / Bio & Medicine
Dec 21, 2009 |
4.6 / 5 (9) |
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(PhysOrg.com) -- Scientists at the U.S. Department of Energy’s Brookhaven National Laboratory have found a new way to use a synthetic form of DNA to control the assembly of nanoparticles — this time resulting ...
NASA's Mars Reconnaissance Orbiter Resumes Observations
Space & Earth / Space Exploration
Dec 16, 2009 |
4.6 / 5 (5) |
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(PhysOrg.com) -- Researchers are receiving new science data from NASA's Mars Reconnaissance Orbiter after the spacecraft's six science instruments resumed observations today.
From greenhouse to icehouse -- reconstructing the environment of the Voring Plateau
Space & Earth / Earth Sciences
Dec 15, 2009 |
4.3 / 5 (8) |
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The analysis of microfossils found in ocean sediment cores is illuminating the environmental conditions that prevailed at high latitudes during a critical period of Earth history.
New insight into selective binding properties of infectious HIV
Medicine & Health / HIV & AIDS
Dec 15, 2009 |
not rated yet |
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Free infectious HIV-1 is widely thought to be the major form of the virus in the blood of infected persons. U.S. Military HIV Research Program (MHRP) researchers, however, have demonstrated that essentially all of the infectious ...
Portions of Arctic coastline eroding, no end in sight, says new study
Space & Earth / Earth Sciences
Dec 14, 2009 |
4.1 / 5 (9) |
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The northern coastline of Alaska midway between Point Barrow and Prudhoe Bay is eroding by up to one-third the length of a football field annually because of a "triple whammy" of declining sea ice, warming ...
'Environmental Atlas of Europe' unveiled at COP15
Dec 14, 2009 |
3 / 5 (2) |
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In support of the United Nations Framework Convention on Climate Change taking place in Copenhagen, the European Environment Agency hosted the 'Bend the Trend' event on Sunday evening to provide a global climate ...
Prussian blue linked to the origin of life
Dec 14, 2009 |
4.7 / 5 (6) |
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A team of researchers from the Astrobiology Centre (INTA-CSIC) has shown that hydrogen cyanide, urea and other substances considered essential to the formation of the most basic biological molecules can be ...
'Extreme' genes shed light on origins of photosynthesis
Dec 11, 2009 |
5 / 5 (3) |
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(PhysOrg.com) -- While most school children understand that green plants photosynthesize, absorb carbon dioxide and produce oxygen, few people consider the profound global-scale effects that photosynthesis has had on Earth. ...
Targeted therapy prolongs life in patients with HER2-positive breast cancer
Dec 11, 2009 |
5 / 5 (1) |
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Lapatinib plus trastuzumab are significantly better than lapatinib alone in extending the lives of breast cancer patients whose tumors are HER2-positive, according to Kimberly Blackwell, M.D., associate professor of medicine ...
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