Researchers Observe Hydrogen-Bond Exchange
May 08, 2008 |
4.6 / 5 (52) |
8
Hydrogen bonds are quite small, on the level of a few angstroms. They can also be passed between two different molecules very quickly, at speeds of tens of times per second. But in spite of these properties, ...
80-mph electric car to go on sale this summer in the US
May 08, 2008 |
4.4 / 5 (84) |
27
Green Vehicles, a company based in San Jose, California, has recently revealed that it will begin selling two lithium-ion-powered electric vehicles early this summer. The three-wheeled TRIAC is a highway-capable ...
Researchers demonstrate for the first time how light squeezes through small holes
May 08, 2008 |
4.4 / 5 (47) |
7
How does light pass through a tiny hole" For the first time, Dr Aurele Adam and Prof. Paul Planken of Delft University of Technology, in conjunction with two South Korean and one German research groups, have succeeded in ...
New evidence from earliest known human settlement in the Americas
Other Sciences / Archaeology & Fossils
May 08, 2008 |
4.5 / 5 (43) |
0
New evidence from the Monte Verde archaeological site in southern Chile confirms its status as the earliest known human settlement in the Americas and provides additional support for the theory that one early ...
Computer game's high score could earn the Nobel Prize in medicine
May 08, 2008 |
4.9 / 5 (49) |
5
Gamers have devoted countless years of collective brainpower to rescuing princesses or protecting the planet against alien invasions. This week researchers at the University of Washington will try to harness ...
Scientists demonstrate method for integrating nanowire devices directly onto silicon
May 08, 2008 |
4.1 / 5 (29) |
0
Applied scientists at Harvard University in collaboration with researchers from the German universities of Jena, Gottingen, and Bremen, have developed a new technique for fabricating nanowire photonic and ...
Researchers identify pressure effects on nanomaterials
Nanotechnology / Nanomaterials
May 08, 2008 |
4.5 / 5 (12) |
1
Transistors, lasers and solar-energy conversion devices may be easier to manipulate because of recent research by Lawrence Livermore National Laboratory scientists. The researchers defined the role high pressure ...
Solar Variability: Striking a Balance with Climate Change
Space & Earth / Space Exploration
May 08, 2008 |
3.3 / 5 (31) |
3
The sun has powered almost everything on Earth since life began, including its climate. The sun also delivers an annual and seasonal impact, changing the character of each hemisphere as Earth's orientation ...
Made-to-order isotopes hold promise on science's frontier
May 08, 2008 |
3.7 / 5 (11) |
0
Designer labels have a lot of cachet -- a principle that’s equally true in fashion and physics. The future of nuclear physics is in designer isotopes -- the relatively new power scientists have to make specific rare isotopes ...
Chilean volcano captured blasting ash
Space & Earth / Earth Sciences
May 08, 2008 |
3.8 / 5 (13) |
0
Chile’s Chaiten Volcano is shown spewing ash and smoke (centre left of image) into the air for hundreds of km over Argentina’s Patagonia Plateau in this Envisat image acquired on 5 May 2008.
Scientists identify key roadblock to gene expression
Biology /
May 08, 2008 |
3.2 / 5 (6) |
0
A team of scientists has provided, for the first time, a detailed map of how the building blocks of chromosomes, the cellular structures that contain genes, are organized in the fruit fly Drosophila melanogaster. ...
FSU researchers make observing cell functions easier
May 08, 2008 |
3.5 / 5 (2) |
0
Now that the genome (DNA) of humans and many other organisms have been sequenced, biologists are turning their attention to discovering how the many thousands of structural and control genes -- the “worker ...
Warming up for Magnetic Resonance Imaging
May 08, 2008 |
4.8 / 5 (21) |
1
Standard magnetic resonance imaging, MRI, is a superb diagnostic tool but one that suffers from low sensitivity, requiring patients to remain motionless for long periods of time inside noisy, claustrophobic ...
Justice in the brain: Equity and efficiency are encoded differently
May 08, 2008 |
4.4 / 5 (10) |
1
Which is better, giving more food to a few hungry people or letting some food go to waste so that everyone gets a share? A study appearing this week in Science finds that most people choose the latter, and th ...
Surprising discovery: Multicellular response is 'all for one'
Biology /
May 08, 2008 |
4.3 / 5 (11) |
1
Real or perceived threats can trigger the well-known “fight or flight response” in humans and other animals. Adrenaline flows, and the stressed individual’s heart pumps faster, the muscles work harder, the brain sharpens ...
