Material may help autos turn heat into electricity
Nanotechnology / Nanomaterials
Jul 24, 2008 |
4.4 / 5 (64) |
20
Researchers have invented a new material that will make cars even more efficient, by converting heat wasted through engine exhaust into electricity. In the current issue of the journal Science, they describe a material with t ...
Scientists solve 30-year-old aurora borealis mystery
Space & Earth / Space Exploration
Jul 24, 2008 |
4.1 / 5 (40) |
13
UCLA space scientists and colleagues have identified the mechanism that triggers substorms in space; wreaks havoc on satellites, power grids and communications systems; and leads to the explosive release of ...
Electron microscopy enters the picometer scale
Jul 24, 2008 |
4.8 / 5 (33) |
1
Jülich scientists have succeeded in precisely measuring atomic spacings down to a few picometres using new methods in ultrahigh-resolution electron microscopy. This makes it possible to find out decisive parameters ...
Cow power could generate electricity for millions
Jul 24, 2008 |
3.8 / 5 (35) |
6
Converting livestock manure into a domestic renewable fuel source could generate enough electricity to meet up to three per cent of North America's entire consumption needs and lead to a significant reduction in greenhouse ...
Limiting fructose may boost weight loss
Jul 24, 2008 |
4.1 / 5 (30) |
2
One of the reasons people on low-carbohydrate diets may lose weight is that they reduce their intake of fructose, a type of sugar that can be made into body fat quickly, according to a researcher at UT Southwestern Medical ...
Revolutionary materials reflect ancient forms
Jul 24, 2008 |
4.3 / 5 (27) |
1
(PhysOrg.com) -- Although order is pleasing to the eye, it can quickly become boring. In Islamic architecture therefore, decoration often follows a strict yet aperiodic pattern. Similar structures also form ...
Why play a losing game? Study uncovers why low-income people buy lottery tickets
Jul 24, 2008 |
4.1 / 5 (26) |
11
Although state lotteries, on average, return just 53 cents for every dollar spent on a ticket, people continue to pour money into them — especially low-income people, who spend a larger percentage of their incomes on lottery ...
Prevailing theory of aging challenged in Stanford worm study
Biology /
Jul 24, 2008 |
4.8 / 5 (20) |
1
Age may not be rust after all. Specific genetic instructions drive aging in worms, report researchers at the Stanford University School of Medicine. Their discovery contradicts the prevailing theory that aging is a buildup ...
Researchers unravel key mechanism of cellular damage in aging and disease
Jul 24, 2008 |
5 / 5 (16) |
1
Researchers have taken a first snapshot of how a class of highly reactive molecules inflicts cellular damage as part of aging, heart disease, stroke, cancer, diabetes, kidney disease and Alzheimer's disease to name a few. ...
Lenses galore -- Hubble finds large sample of very distant galaxies
Jul 24, 2008 |
4.6 / 5 (14) |
2
By using the gravitational magnification from six massive lensing galaxy clusters, the NASA/ESA Hubble Space Telescope has provided scientists with the largest sample of very distant galaxies seen to date. ...
Shielding for ambitious neutron experiment
Jul 24, 2008 |
3.9 / 5 (16) |
0
In science fiction stories it is either the inexhaustible energy source of the future or a superweapon of galactic magnitude: antimaterial. In fact, antimaterial can neither be found on Earth nor in space, is extremely complex ...
Nanoparticles Detect Telomerase Activity
Nanotechnology / Bio & Medicine
Jul 24, 2008 |
4.4 / 5 (13) |
4
Telomerase, an enzyme that prevents chromosomes from shortening when they divide, is widely suspected of playing a key role in making cancer cells immortal. Though researchers have developed a variety of methods for measuring ...
The Quiet Explosion: Object intermediate between normal supernovae and gamma-ray bursts found
Jul 24, 2008 |
4.3 / 5 (12) |
2
A European-led team of astronomers are providing hints that a recent supernova may not be as normal as initially thought. Instead, the star that exploded is now understood to have collapsed into a black hole, producing a ...
Mindfulness meditation slows progression of HIV, study shows
Medicine & Health / HIV & AIDS
Jul 24, 2008 |
4 / 5 (13) |
1
CD4+ T lymphocytes, or simply CD4 T cells, are the "brains" of the immune system, coordinating its activity when the body comes under attack. They are also the cells that are attacked by HIV, the devastating virus that causes ...
Soy foods are associated with lower sperm concentrations
Jul 24, 2008 |
4.3 / 5 (10) |
0
Men who eat an average of half a serving of soy food a day have lower concentrations of sperm than men who do not eat soy foods, according to research published online in Europe's leading reproductive medicine journal, Human Re ...
