Physicists show electrons can travel over 100 times faster in graphene than in silicon

Physicists show electrons can travel over 100 times faster in graphene than in silicon

Nanotechnology / Nanophysics

created Mar 24, 2008 | popularity 4.6 / 5 (82) | comments 6

University of Maryland physicists have shown that in graphene the intrinsic limit to the mobility, a measure of how well a material conducts electricity, is higher than any other known material at room temperature. ...


'Superdense' coding gets denser

Physics / General Physics

created Mar 24, 2008 | popularity 4.8 / 5 (36) | comments 1

The record for the most amount of information sent by a single photon has been broken by researchers at the University of Illinois. Using the direction of “wiggling” and “twisting” of a pair of hyper-entangled photons, they ...


Scientists uncover how superbug Staph aureus resists our natural defenses

Scientists uncover how superbug Staph aureus resists our natural defenses

Biology /

created Mar 24, 2008 | popularity 4.9 / 5 (30) | comments 4

Researchers at the University of Washington have uncovered how the bacterium Staphylococcus aureus, including the notorious MRSA (methicillin-resistant Staph aureus) “superbug” strains, resists our body's ...


Birth of an enzyme

Biology /

created Mar 24, 2008 | popularity 4.4 / 5 (26) | comments 4

Mankind triumphed in a recent 'competition' against nature when scientists succeeded in creating a new type of enzyme for a reaction for which no naturally occurring enzyme has evolved. This achievement opens the door to ...


Drosophila

A fly's tiny brain may hold huge human benefits

Biology /

created Mar 24, 2008 | popularity 4.3 / 5 (21) | comments 1

Before swatting at one of those pesky flies that come out as the days lengthen and the temperature rises, one should probably think twice. A University of Missouri researcher has found, through the study of ...


New findings from Tibetan Plateau suggest uplift occurred in stages

Space & Earth / Earth Sciences

created Mar 24, 2008 | popularity 4.3 / 5 (19) | comments 0

The vast Tibetan Plateau--the world's highest and largest plateau, bordered by the world's highest mountains--has long challenged geologists trying to understand how and when the region rose to such spectacular heights. New ...


New triple-threat weapon needed in war between man and microbe

New triple-threat weapon needed in war between man and microbe

Chemistry /

created Mar 24, 2008 | popularity 4.5 / 5 (13) | comments 2

Mankind’s age-old battle against infectious diseases stands to rage on and on, unless scientists develop a new generation of triple-action antibiotics, according to an article scheduled for the March 28 issue ...


Warming Could Radically Change Lake Tahoe in 10 Years

Space & Earth / Environment

created Mar 24, 2008 | popularity 3.2 / 5 (17) | comments 4

A new UC Davis study predicts that climate change will irreversibly alter water circulation in Lake Tahoe, radically changing the conditions for plants and fish in the lake -- and it could happen in 10 years.


Too much information? Study shows how ignorance can be influential

Other Sciences / Other

created Mar 24, 2008 | popularity 4 / 5 (13) | comments 0

In the current issue of The RAND Journal of Economics, USC researchers provide a challenge to the classic economic model of information manipulation, in which knowing more than anybody else is the key to influence.


Researchers discover how HIV turns food-poisoning into lethal infection

Medicine & Health / HIV & AIDS

created Mar 24, 2008 | popularity 4.5 / 5 (11) | comments 0

Nearly half of all HIV-positive African adults who become infected with Salmonella die from what otherwise would be a seven-day bout of diarrhea. Now, UC Davis School of Medicine scientists have discovered how salmonella ...


Beetles on Leaf

Insects take a bigger bite out of plants in a higher CO2 world

Biology /

created Mar 24, 2008 | popularity 3 / 5 (16) | comments 4

Atmospheric carbon dioxide levels are rising at an alarming rate, and new research indicates that soybean plant defenses go down as CO2 goes up. Elevated CO2 impairs a key component of the plant’s defenses ...


Smart clothes: textiles that track your health

Technology / Engineering

created Mar 24, 2008 | popularity 4.6 / 5 (10) | comments 0

Garments that can measure a wearer's body temperature or trace their heart activity are just entering the market, but the European project BIOTEX weaves new functions into smart textiles. Miniaturised biosensors in a textile ...


Scientists reveal ants as fungus farmers

Scientists reveal ants as fungus farmers

Biology /

created Mar 24, 2008 | popularity 4.6 / 5 (10) | comments 1

It turns out ants, like humans, are true farmers. The difference is that ants are farming fungus. Entomologists Ted Schultz and Seán Brady at the Smithsonian’s National Museum of Natural History have published ...


Coral's addiction to 'junk food'

Space & Earth / Environment

created Mar 24, 2008 | popularity 3.9 / 5 (11) | comments 0

Over two hundred million humans depend for their subsistence on the fact that coral has an addiction to ‘junk food’ - and orders its partners, the symbiotic algae, to make it. This curious arrangement is one of Nature’s most ...


Corn's roots dig deeper into South America

Biology /

created Mar 24, 2008 | popularity 4.5 / 5 (8) | comments 0

Corn has long been known as the primary food crop in prehistoric North and Central America. Now it appears it may have been an important part of the South American diet for much longer than previously thought, according to ...




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