ScienceDaily: Top News |
- Breast cancer spread triggered by a cleaver-wielding protein on cancer cell's surface
- Broken arm? Brain shifts quickly when using a sling or cast
- Headphones linked to pedestrian deaths, injuries
- Biologists a step nearer to solving the Parkinson's conundrum
- Revolutionary surgical technique for perforations of the eardrum
- 'Spooky action at distance': Physicists develop first conclusive test to better understand high-energy particles correlations
- Sugar for the brain: Mechanism to prevent programmed cell death of nerve cells deciphered
- Quantum uncertainty: Are you certain, Mr. Heisenberg?
- Climate adaptation difficult for Europe's birds
- Scientists shed new light on link between 'killer cells' and diabetes
- Brain circuits for visual categorization revealed by new experiments
| Breast cancer spread triggered by a cleaver-wielding protein on cancer cell's surface Posted: 16 Jan 2012 05:06 PM PST Scientists have exposed a cell pathway that breast tumor cells use to destruct local tissue neighborhood. Cancer cells may use this pathway to free themselves from mammary epithelial tissue architecture, to spread to surrounding tissues. The cell pathway, the researchers found, is a biochemical chain of events leading to activation of a protein-cleaving enzyme on the surface of the tumor cells.  |
| Broken arm? Brain shifts quickly when using a sling or cast Posted: 16 Jan 2012 05:06 PM PST Using a sling or cast after injuring an arm may cause your brain to shift quickly to adjust, according to a new study. The study found increases in the size of brain areas that were compensating for the injured side, and decreases in areas that were not being used due to the cast or sling.  |
| Headphones linked to pedestrian deaths, injuries Posted: 16 Jan 2012 05:05 PM PST Serious injuries to pedestrians listening to headphones have more than tripled in six years, according to new research. In many cases, the cars or trains are sounding horns that the pedestrians cannot hear, leading to fatalities in nearly three-quarters of cases.  |
| Biologists a step nearer to solving the Parkinson's conundrum Posted: 16 Jan 2012 12:43 PM PST Scientists have made a significant step forward in isolating the cause of Parkinson's disease in younger adults.  |
| Revolutionary surgical technique for perforations of the eardrum Posted: 16 Jan 2012 08:26 AM PST Scientists announce a revolutionary surgical technique for perforations of the eardrum. The 20-minute procedure in outpatient clinic without general anesthetic may replace long and costly day surgery.  |
| Posted: 16 Jan 2012 08:26 AM PST Researchers have devised a proposal for the first conclusive experimental test of a phenomenon known as 'Bell's nonlocality.' This test is designed to reveal correlations that are stronger than any classical correlations, and do so between high-energy particles that do not consist of ordinary matter and light. These results are relevant to the so-called 'CP violation' principle, which is used to explain the dominance of matter over antimatter.  |
| Sugar for the brain: Mechanism to prevent programmed cell death of nerve cells deciphered Posted: 16 Jan 2012 08:26 AM PST Scientists have deciphered a mechanism to prevent programmed cell death of nerve cells.  |
| Quantum uncertainty: Are you certain, Mr. Heisenberg? Posted: 16 Jan 2012 06:55 AM PST Heisenberg's Uncertainty principle is arguably one of the most famous foundations of quantum physics. It says that not all properties of a quantum particle can be measured with unlimited accuracy. Until now, this has often been justified by the notion that every measurement necessarily has to disturb the quantum particle, which distorts the results of any further measurements. This, however, turns out to be an oversimplification, researchers now say.  |
| Climate adaptation difficult for Europe's birds Posted: 16 Jan 2012 06:55 AM PST For the past 20 years, the climate in Europe has been getting warmer. Species of bird and butterfly which thrive in cool temperatures therefore need to move further north. However, they have difficulty adapting to the warmer climate quickly enough, as shown by new research.  |
| Scientists shed new light on link between 'killer cells' and diabetes Posted: 15 Jan 2012 11:00 AM PST Killer T-cells in the human body which help protect us from disease can inadvertently destroy cells that produce insulin, new research has uncovered.  |
| Brain circuits for visual categorization revealed by new experiments Posted: 15 Jan 2012 11:00 AM PST Hundreds of times during a baseball game, the home plate umpire must instantaneously categorize a fast-moving pitch as a ball or a strike. Scientists have now pinpointed an area in the brain where these kinds of visual categories are encoded.  |
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