Physicists steer electrons with laser pulses: Method could be used to create custom-made chemical compounds
Nov 13, 2008 |
4.6 / 5 (14) |
1
Theoretical physicist Uwe Thumm and his colleagues Feng He and Andreas Becker not only work with some of the smallest molecules in the universe, but they now have found a way to control the motion of the molecules' building ...
Prehistoric pelvis offers clues to human development
Other Sciences / Archaeology & Fossils
Nov 13, 2008 |
4.6 / 5 (13) |
0
Discovery of the most intact female pelvis of Homo erectus may cause scientists to reevaluate how early humans evolved to successfully birth larger-brained babies. "This is the most complete female Homo erectus ...
How household bleach works to kill bacteria
Biology /
Nov 13, 2008 |
4.5 / 5 (11) |
0
Despite the fact that household bleach is commonly used as a disinfectant, exactly how it works to fight bacteria remained an open question. Now, a report in the November 14th issue of the journal Cell, a Cell Press publication, ...
High-normal phosphate levels linked to early atherosclerosis
Nov 13, 2008 |
4.5 / 5 (11) |
4
Healthy adults with higher levels of phosphate in the blood are more likely to have increased levels of calcium in the coronary arteries—a key indicator of atherosclerosis and future cardiovascular disease risk, reports a ...
Controllers Cheer as Data Arrive from NASA's Spirit Rover
Space & Earth / Space Exploration
Nov 13, 2008 |
4.7 / 5 (9) |
0
(PhysOrg.com) -- NASA's Mars Exploration Rover Spirit communicated via the Mars Odyssey orbiter today right at the time when ground controllers had told it to, prompting shouts of "She's talking!" among the ...
Cigarette smoke could alter shape of heart
Nov 13, 2008 |
4.4 / 5 (9) |
1
Prolonged exposure to cigarette smoke can increase levels of the stress hormone norepinephrine and enzymes in the heart that have the potential to reshape the left ventricle, according to new research at the University of ...
Fish choose their leaders by consensus
Biology /
Nov 13, 2008 |
4.3 / 5 (9) |
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Just after Americans have headed to the polls to elect their next president, a new report in the November 13th issue of Current Biology, a Cell Press publication, reveals how one species of fish picks its le ...
New research expected to improve laser devices and make photovoltaics more efficient
Nov 13, 2008 |
4.5 / 5 (8) |
0
(PhysOrg.com) -- University of Chicago scientists have induced electrons in the nanocrystals of semiconductors to cool more slowly by forcing them into a smaller volume. This has the potential to improve satellite communications ...
Nanoparticles in the Home: More and Smaller Than Previously Detected
Nanotechnology / Bio & Medicine
Nov 13, 2008 |
4 / 5 (9) |
0
(PhysOrg.com) -- Extremely small nanoscale particles are released by common kitchen appliances in abundant amounts, greatly outnumbering the previously detected, larger-size nanoparticles emitted by these ...
Sicilian word enters British genetic language
Biology /
Nov 13, 2008 |
4.5 / 5 (6) |
0
A scientific team from the John Innes Centre and University of St Andrews has identified a key gene that was transferred from a Sicilian plant into a close relative in Britain, showing how genetic cross-talk ...
New research finds way to restore colour to white hair following illness
Nov 13, 2008 |
4.5 / 5 (6) |
1
(PhysOrg.com) -- Scientists have discovered a way to potentially restore colour to white hair, new research in the British Journal of Dermatology reveals this month.
Nanoparticles trigger cell death?
Nanotechnology / Bio & Medicine
Nov 13, 2008 |
4 / 5 (6) |
1
Nanoparticles that are one milliard of a metre in size are widely used, for example, in cosmetics and food packaging materials. There are also significant amounts of nanoparticles in exhaust emissions. However, very little ...
Acrylic glass made of sugar
Nov 13, 2008 |
4.8 / 5 (5) |
0
In future, polymethyl methacrylate (PMMA) - better known as acrylic glass - could be made from natural raw materials such as sugars, alcohols or fatty acids. PMMA is manufactured by polymerising methyl methacrylate ...
Water heater choice and maintenance can reduce energy costs
Nov 13, 2008 |
3.4 / 5 (7) |
1
(PhysOrg.com) -- Between 16 and 18 percent of home energy is used to generate hot water, so hot water tank maintenance can pay big dividends on your energy bill.
Researchers Studying Little-Known Genetic Sequences
Biology /
Nov 13, 2008 |
3.8 / 5 (6) |
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(PhysOrg.com) -- University of Arizona researchers are among a group of scientists who have discovered a source of previously scarce small RNA molecules. Their finding, which was recently published in the Proceedings of th ...
