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Himalayan megaquakes powered by elastic energy in Tibetan plateau, says U of Colorado study
11-08-2006 · EurekAlert!Computer simulations indicate that Himalayan megaearthquakes must occur every 1,000 years or so to empty a reservoir of energy in southern Tibet not released by smaller earthquakes, according to a paper that will appear in the Nov. 9 issue of the journal Nature.
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Keywords: himalayan, megaquakes, powered, elastic, energy, tibetan, plateau, colorado, study, megaquake
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- Study: cow-powered fuel cells grow smaller, mightier
08-21-2007 · EurekAlert!
Cows could one day help to meet the rise in demand for alternative energy sources, say Ohio State University researchers that used microbe-rich fluid from a cow to generate electricity in a small fuel cell. This new microbial fuel cell is a redesign of a larger model that the researchers created a few years ago. The new cell is a quarter of the size of the original model, yet can produce about three times the power.
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- Baffin Island ice caps shrink by 50 percent since 1950s, says CU-Boulder study
01-28-2008 · EurekAlert!
A new University of Colorado at Boulder study has shown that ice caps on the northern plateau of Baffin Island in the Canadian Arctic have shrunk by more than 50 percent in the last half century as a result of warming, and are expected to disappear by the middle of the century.
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- Researchers Give New Hybrid Vehicle Its First Test-Drive in the Ocean
02-06-2008 · Woods Hole Oceanographic Institution (WHOI)
Taking a page out of a science fiction story, researchers
from the Woods Hole Oceanographic Institution (WHOI) and Webb Research
Corporation (Falmouth, Mass.) have successfully flown the first
environmentally powered robotic vehicle through the ocean. The new robotic
“glider” harvests heat energy from the ocean to propel itself across thousands
of kilometers of water.
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- Greenland Ice Sheet Still Losing Mass
09-29-2006 · ScienceDaily
Data gathered by a pair of NASA satellites orbiting Earth show Greenland continued to lose ice mass at a significant rate through April 2006, and that the rate of loss is accelerating, according to a new University of Colorado at Boulder study.
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- Why exercising muscles tire when needed most
11-07-2006 · EurekAlert!
Fleeing animals, human athletes and non-athletes alike have experienced skeletal muscles giving out during those intense efforts when they are needed most, whether running for survival, the finish line or the bus. While the cause of muscle fatigue has interested to physiologists, engineers and medical experts for more than half a century, the phenomenon remains incompletely understood. A new study from Rice and Harvard universities links failing muscles to the source of the chemical energy utilized to fuel vigorous contractions in the body.
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- High Dopamine Transporter Levels Not Correlated with ADHD
11-29-2006 · Brookhaven National Laboratory
Results from a brain-imaging study conducted at the U.S. Department of Energy's Brookhaven National Laboratory in collaboration with Mount Sinai School of Medicine in New York indicate that levels of a brain protein proposed as a diagnostic marker for attention-deficit hyperactivity disorder (ADHD) are not positively correlated with the disease. In fact, the study found lower levels of these "dopamine transporter" proteins in certain brain regions of ADHD patients compared with controls.
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- Quantum secrets of photosynthesis revealed
04-12-2007 · EurekAlert!
The mystery of how Nature, through photosynthesis, is able to transfer solar energy through molecular systems with nearly 100-percent efficiency appears to have been solved. A study led by researchers with the U.S. Department of Energy's Lawrence Berkeley National Laboratory and the University of California at Berkeley reports that the answer lies in quantum mechanical effects.
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- The origin of human bipedalism
07-16-2007 · EurekAlert!
While no one has an authoritative answer, anthropologists have long theorized that early humans began walking on two legs as a way to reduce locomotor energy costs. In the first study to fully examine this theory among humans and adult chimpanzees, published online July 17 in the Proceedings of the National Academy of Science, researchers have found that human walking is around 75 percent less costly, in terms of energy and caloric expenditure, than quadrupedal and bipedal walking in chimpanzees.
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- Use of hip protector does not reduce risk of hip fracture for nursing home residents
07-24-2007 · EurekAlert!
Use of an energy-absorbing hip protector did not provide a protective effect against hip fracture for nursing home residents, adding to increasing evidence that hip protectors, as currently designed, are not effective for preventing hip fractures, according to a study in the July 25 issue of JAMA.
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- Cuter scooter defined by electricity, portability
11-27-2007 · Massachusetts Institute of Technology (MIT)
It's energy efficient, it's clean, compact and simple, and, above all, it's very cool. All of these factors could be significant in getting people to adopt a lightweight, electrically powered scooter designed by an MIT professor and students.
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