Artists 'draw on air' to create 3D illustrations
Technology / Computer Sciences
Sep 19, 2007 |
4.2 / 5 (126) |
1
By putting on a virtual reality mask, holding a stylus in one hand and a tracking device in the other, an artist can draw 3D objects in the air with unprecedented precision. This new system is called “Drawing ...
A Giant Trilobite on the Sun
Space & Earth / Space Exploration
Sep 19, 2007 |
3.9 / 5 (83) |
0
"We've never seen anything quite like it," says solar physicist Lika Guhathakurta from NASA headquarters.
Human ancestors more primitive that once thought
Other Sciences / Archaeology & Fossils
Sep 19, 2007 |
4.5 / 5 (58) |
0
A team of researchers, including Herman Pontzer, Ph.D., assistant professor of physical anthropology in Arts & Sciences, has determined through analysis of the earliest known hominid fossils outside of Africa, recently discovered ...
Researchers reassess theories on formation of Earth's atmosphere
Space & Earth / Earth Sciences
Sep 19, 2007 |
4 / 5 (30) |
0
Geochemists at Rensselaer Polytechnic Institute are challenging commonly held ideas about how gases are expelled from the Earth. Their theory, which is described in the Sept. 20 issue of the journal Nature, could ...
21st-century pack mule: MIT's 'exoskeleton' lightens the load
Sep 19, 2007 |
4.7 / 5 (24) |
0
Researchers in the MIT Media Lab's Biomechatronics Group have created a device to lighten the burden for soldiers and others who carry heavy packs and equipment.
Ancient British bog provides clue to global warming
Space & Earth / Earth Sciences
Sep 19, 2007 |
3.8 / 5 (20) |
0
Analysis of sediments from a British bog suggest that methane emissions increased due to intense global warming around 55 million years ago.
Stem cells in adult testes provide alternative to embryonic stem cells for organ regeneration
Sep 19, 2007 |
4.9 / 5 (14) |
0
Easily accessed and plentiful, adult stem cells found in a male patient's testicles might someday be used to create a wide range of tissue types to help him fight disease -- getting around the need for more controversial ...
Batters may achieve dramatic increases in home runs through steroids
Sep 19, 2007 |
4.6 / 5 (13) |
0
Steroid use by a Major League Baseball slugger may produce only modest increases in muscle mass and bat and ball speed but still boost home run production by 50 percent or more, according to a new study by Tufts University ...
Drug resistance gene has spread from East Coast to Midwest
Sep 19, 2007 |
4.8 / 5 (12) |
0
A resistance gene that allows bacteria to beat an important class of antibiotics has started to appear in microorganisms taken from Midwestern patients, according to researchers at Washington University School of Medicine ...
Swirled to the Left or Right? Nanofibers Align in Stirred Liquid
Nanotechnology / Nanomaterials
Sep 19, 2007 |
4.2 / 5 (13) |
0
Is the vortex in a stirred liquid swirling clockwise or counterclockwise? A zinc porphyrin dendrimer—a branched molecule with a central zinc atom—can answer this question. As Japanese researchers report in the journal Angewandte Ch ...
Severe heart attack damage limited by hydrogen sulfide
Sep 19, 2007 |
5 / 5 (10) |
0
Administering hydrogen sulfide (H2S) directly into the heart during a simulated heart attack significantly reduces the tissue and cell damage often seen in oxygen-starved organs, according to a new study from researchers at the Uni ...
University helps map the universe
Space & Earth / Space Exploration
Sep 19, 2007 |
4.7 / 5 (10) |
0
The University of Manchester is developing high-speed data crunching technology that will be crucial to the success of one of the greatest scientific projects of the 21st century.
Why are some groups of animals so diverse?
Biology /
Sep 19, 2007 |
4 / 5 (11) |
0
A new study of finger-sized Australian lizards sheds light on one of the most striking yet largely unexplained patterns in nature: why is it that some groups of animals have evolved into hundreds, even thousands of species, ...
How the brain handles surprise, good and bad
Sep 19, 2007 |
4.8 / 5 (8) |
0
Whether it’s a mugger or a friend who jumps out of the bushes, you’re still surprised. But your response—to flee or to hug—must be very different. Now, researchers have begun to distinguish the circuitry in the brain’s emotion ...
Herschel's heart and brain mated
Space & Earth / Space Exploration
Sep 19, 2007 |
4.6 / 5 (8) |
0
Herschel, Europe’s infrared space observatory is being presented to the media today in a joint press event by ESA and Astrium in Friedrichshafen, Germany. Two of the satellite’s most fundamental modules, its ...
