Proof by computer: Harnessing the power of computers to verify mathematical proofs
Nov 06, 2008 |
4.5 / 5 (46) |
2
New computer tools have the potential to revolutionize the practice of mathematics by providing far more-reliable proofs of mathematical results than have ever been possible in the history of humankind. These computer tools, ...
Surprisingly, Female Models Have Negative Effect on Men
Nov 06, 2008 |
3.5 / 5 (46) |
2
(PhysOrg.com) -- Many studies have shown that media images of female models have had a negative impact on how woman view their own bodies, but does this same effect hold true when men view male models? A leading researcher ...
Sunlight has more powerful influence on ocean circulation and climate than North American ice sheets
Space & Earth / Earth Sciences
Nov 06, 2008 |
4.7 / 5 (33) |
11
A study reported in today's issue of Nature disputes a longstanding picture of how ice sheets influence ocean circulation during glacial periods.
Lasers, the Bragg Peak and Cancer Therapy
Nov 06, 2008 |
4.4 / 5 (21) |
3
(PhysOrg.com) -- “When a laser goes through a plasma,” John Cary tells PhysOrg.com, “it pushes electrons away. Then when it snaps back, it generates an electric wake behind the laser pulse, picking the electrons up and ca ...
Social interactions can alter gene expression in the brain, and vice versa
Biology /
Nov 06, 2008 |
4.8 / 5 (18) |
2
Our DNA determines a lot about who we are and how we play with others, but recent studies of social animals (birds and bees, among others) show that the interaction between genes and behavior is more of a ...
Following the leader can be a drag, research shows
Nov 06, 2008 |
4.7 / 5 (18) |
0
(PhysOrg.com) -- From the Tour de France to NASCAR, competitors and fans know that speed is only part of the equation. Strategy -- and the ability to use elements like aerodynamic drafting, which makes it ...
The beauty machine
Technology / Computer Sciences
Nov 06, 2008 |
3.4 / 5 (24) |
15
Our mothers told us that true beauty is more than skin deep — but researchers from Tel Aviv University are now challenging Mom.
Friendly bacteria reduce hospital infections
Nov 06, 2008 |
4.8 / 5 (16) |
0
A probiotic bacterium, Lactobacillus plantarum 299, has been used to out-compete the dangerous bacteria that cause respiratory illness in ventilated patients. Research published in BioMed Central's open access journal Critic ...
DNA chunks, chimps and humans
Biology /
Nov 06, 2008 |
4.3 / 5 (15) |
1
Researchers have carried out the largest study of differences between human and chimpanzee genomes, identifying regions that have been duplicated or lost during evolution of the two lineages. The study, published in Genome Re ...
'Unprecedented' warming drives dramatic ecosystem shifts in North Atlantic
Nov 06, 2008 |
3.6 / 5 (16) |
10
(PhysOrg.com) -- While the planet has experienced numerous changes in climate over the past 65 million years, the most significant climate change of the last 5,000 years has been in recent decades. That change ...
Fingers, Loops and Bays in the Crab Nebula
Nov 06, 2008 |
4.3 / 5 (12) |
8
(PhysOrg.com) -- This image gives the first clear view of the faint boundary of the Crab Nebula's X-ray-emitting pulsar wind nebula. The nebula is powered by a rapidly-rotating, highly-magnetized neutron star, ...
SanDisk Introduces ExtremeFFS, Aims 100 Times Faster SSDs
Nov 06, 2008 |
4.5 / 5 (11) |
1
SanDisk Corporation today unveiled an advanced flash file system for solid-state drives (SSDs) that yields dramatic improvement in performance and reliability for computing applications. Called ExtremeFFS, ...
Gold nanostar shape of the future
Nov 06, 2008 |
4.5 / 5 (11) |
0
Rods, cones, cubes and spheres – move aside. Tiny gold stars, smaller than a billionth of a meter, may hold the promise for new approaches to medical diagnoses or testing for environmental contaminants.
Ecologists use oceanographic data to predict future climate change
Nov 06, 2008 |
3.8 / 5 (12) |
8
Earth scientists are attempting to predict the future impacts of climate change by reconstructing the past behavior of Arctic climate and ocean circulation. In a November special issue of the journal Ecology, a group of sci ...
Zoologists: Sea snakes seek out freshwater to slake thirst
Biology /
Nov 06, 2008 |
5 / 5 (9) |
0
Sea snakes may slither in saltwater, but they sip the sweet stuff. So concludes a University of Florida zoologist in a paper appearing this month in the online edition of the November/December issue of the journal Physiological an ...
