Smaller is stronger -- now scientists know why
Nanotechnology / Nanomaterials
Jan 02, 2008 |
4.6 / 5 (65) |
1
As structures made of metal get smaller -- as their dimensions approach the micrometer scale (millionths of a meter) or less -- they get stronger. Scientists discovered this phenomenon 50 years ago while measuring ...
Ion-Mask Technology Could Make Waterproof Gadgets Widespread
Jan 02, 2008 |
4.7 / 5 (39) |
3
Using technology developed by the British Defense Department to repel chemicals from soldiers' uniforms, a spin-off company called P2i is fabricating waterproof cell phones and other gadgets. Because the so-called ...
Helium supplies endangered, threatening science and technology
Jan 02, 2008 |
4.5 / 5 (29) |
1
In America, helium is running out of gas.The element that lifts things like balloons, spirits and voice ranges is being depleted so rapidly in the world’s largest reserve, outside of Amarillo, Tex., that supplies are expected ...
Daily alcohol use causes changes in sexual behavior, new study reveals
Jan 02, 2008 |
3.3 / 5 (34) |
0
A team of researchers at Penn Sate has used an animal model to reveal, for the first time, a physiological basis for the effect of alcohol on male sexual behavior, including increased sexual arousal and decreased ...
Winemaking waste proves effective against disease-causing bacteria in early studies
Medicine & Health / Medications
Jan 02, 2008 |
4.7 / 5 (18) |
1
[B]Potential source of next-generation drugs against oral disease: Pinot noir[/B] A class of chemicals in red wine grapes may significantly reduce the ability of bacteria to cause cavities, according to a study published rec ...
White dwarf pulses like a pulsar
Jan 02, 2008 |
4.7 / 5 (15) |
4
New observations from Suzaku, a joint Japanese Aerospace Exploration Agency (JAXA) and NASA X-ray observatory, have challenged scientists’ conventional understanding of white dwarfs. Observers had believed ...
SETI@home ramps up to analyze more data in search of extraterrestrial intelligence
Jan 02, 2008 |
4.1 / 5 (17) |
1
The longest-running search for radio signals from alien civilizations is getting a burst of new data from an upgraded Arecibo telescope, which means the SETI@home project needs more desktop computers to help crunch the data.
New discovery could reduce the health risk of high-fat foods
Jan 02, 2008 |
4.4 / 5 (15) |
0
Chemical in red wine, fruits and vegetables counters unhealthy effects of high-fat foods Just as additives help gasoline burn cleaner, a research report published in the January 2008 print issue of The FASEB Journal shows that ...
Scientists find missing evolutionary link using tiny fungus crystal
Jan 02, 2008 |
4.1 / 5 (14) |
0
The crystal structure of a molecule from a primitive fungus has served as a time machine to show researchers more about the evolution of life from the simple to the complex.
Colon cancer risk in US traced to common ancester
Jan 02, 2008 |
4.6 / 5 (11) |
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Discovery of founder mutation involves 2 large families in Utah, New York A married couple who sailed from England to America around 1630 may be the ancestors of hundreds of people alive today who are at risk for a here ...
Insects' 'giant leap' reconstructed by founder of sociobiology
Biology /
Jan 02, 2008 |
4.4 / 5 (11) |
0
[B]A survey of advanced social organization in insects calls into question the standard explanation for eusociality[/B] The January 2008 issue of BioScience includes an article by biologist Edward O. Wilson that argues for ...
Einstein researchers discover important clue to the cause of Parkinson's disease
Jan 02, 2008 |
4.8 / 5 (10) |
0
A glitch in the mechanism by which cells recycle damaged components may trigger Parkinson’s disease, according to a study by scientists at the Albert Einstein College of Medicine of Yeshiva University. The research, which ...
Drivers on cell phones clog traffic
Jan 02, 2008 |
4.2 / 5 (11) |
2
Longer commutes due to fewer lane changes, slower speeds Motorists who talk on cell phones drive slower on the freeway, pass sluggish vehicles less often and take longer to complete their trips, according ...
Evolution education is a 'must' says coalition of scientific and teaching organizations
Biology /
Jan 02, 2008 |
4.1 / 5 (11) |
0
17 organizations report on national survey to determine public views of evolution education A coalition of 17 organizations, including the National Academy of Sciences, the American Institute of Physics, and the National S ...
Research explores role of hydrogen peroxide in cell health
Jan 02, 2008 |
4.3 / 5 (7) |
0
Hydrogen peroxide, the same mild acid that many people use to disinfectant their kitchens or treat cuts and abrasions, is also produced by the body to keep cells healthy. Now, researchers at Wake Forest University School ...
