Material may help autos turn heat into electricity

Nanotechnology / Nanomaterials

created Jul 24, 2008 | popularity 4.4 / 5 (64) | comments 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

Scientists solve 30-year-old aurora borealis mystery

Space & Earth / Space Exploration

created Jul 24, 2008 | popularity 4.1 / 5 (40) | comments 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 ...


Microscopic Image

Electron microscopy enters the picometer scale

Physics / General Physics

created Jul 24, 2008 | popularity 4.8 / 5 (33) | comments 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

Space & Earth / Environment

created Jul 24, 2008 | popularity 3.8 / 5 (35) | comments 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

Medicine & Health / Health

created Jul 24, 2008 | popularity 4.1 / 5 (30) | comments 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

Revolutionary materials reflect ancient forms

Physics / Condensed Matter

created Jul 24, 2008 | popularity 4.3 / 5 (27) | comments 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

Other Sciences / Other

created Jul 24, 2008 | popularity 4.1 / 5 (26) | comments 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 /

created Jul 24, 2008 | popularity 4.8 / 5 (20) | comments 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

Medicine & Health / Research

created Jul 24, 2008 | popularity 5 / 5 (16) | comments 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. ...


Abell 2218

Lenses galore -- Hubble finds large sample of very distant galaxies

Space & Earth / Astronomy

created Jul 24, 2008 | popularity 4.6 / 5 (14) | comments 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

Physics / General Physics

created Jul 24, 2008 | popularity 3.9 / 5 (16) | comments 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

created Jul 24, 2008 | popularity 4.4 / 5 (13) | comments 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

Space & Earth / Astronomy

created Jul 24, 2008 | popularity 4.3 / 5 (12) | comments 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

created Jul 24, 2008 | popularity 4 / 5 (13) | comments 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

Medicine & Health / Research

created Jul 24, 2008 | popularity 4.3 / 5 (10) | comments 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 ...




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