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Reversing and accelerating the speed of light
Physicist Costas Soukoulis and his research group at the U.S. Department of Energy's Ames Laboratory on the Iowa State University campus are having the time of their lives making light travel backwards at negative speeds that appear faster than the speed of light. view more (2006-07-24)
Researchers confirm role of massive flood in climate change
Climate modelers at the Goddard Institute for Space Studies (GISS) have succeeded in reproducing the climate changes caused by a massive freshwater pulse into the North Atlantic that occurred at the beginning of the current warm period 8,000 years ago. view more (2006-01-10)
Mood Lighting: Penn Researchers Determine Role of Serotonin in Modulating Circadian Rhythm
Researchers at the University of Pennsylvania School of Medicine have determined how serotonin decreases the body's sensitivity to light and that exposure to constant darkness leads to a decrease in serotonin levels in the brain of fruit flies. view more (2005-07-11)
Profiles of serial killers have limitations
Dennis Rader, the notorious BTK murderer who eluded capture for more than 30 years until his arrest in 2005, did not fit precisely into the FBI's method for profiling serial killers on the basis of crime scenes. view more (2006-10-30)
Mass extinction's cause: 'Sick Earth'
What really caused the largest mass extinction in Earth's history? view more (2006-10-23)
U of MN researchers use human embryonic stem cells to kill cancer cells
For the first time, stem cell researchers at the University of Minnesota have coaxed human embryonic stem cells to create cancer-killing cells in the laboratory, paving the way for future treatments for various types of cancers (or tumors). view more (2005-10-12)
Immunologists find better way to boost the immune system
Immunologists have discovered how to manipulate the immune system to increase its power and protect the body from successive viral infections. view more (2008-01-23)
General relativity survives gruelling pulsar test — Einstein at least 99.95 percent right
An international research team led by Prof. Michael Kramer of the University of Manchester's Jodrell Bank Observatory, UK, has used three years of observations of the "double pulsar", a unique pair of natural stellar clocks which they discovered in 2003, to prove that Einstein's theory of general relativity-the theory of gravity that... view more... (2006-09-14)
Morphine kills pain — not patients
Many people, including health care workers, believe that morphine is a lethal drug that causes death when used to control pain for a patient who is dying. That is a misconception according to new research published in the latest issue of Palliative Medicine, from SAGE Publications. view more (2007-03-22)
Light's Most Exotic Trick Yet: So Fast it Goes ... Backwards?
In the past few years, scientists have found ways to make light go both faster and slower than its usual speed limit, but now researchers at the University of Rochester have published a paper today in Science on how they've gone one step further: pushing light into reverse. view more (2006-05-12)
Marsupial genome reveals insights into mammalian evolution
The genetic code of marsupials has now been documented for the first time. An international team led by Kathy Belov from the University of Sydney's Faculty of Veterinary Science published an analysis of the marsupial genome in the open access journal PLoS Biology. view more (2006-01-31)
New theory for mass extinctions
A new theory on just what causes Earth's worst mass extinctions may help settle the endless scientific dust-up on the matter. view more (2006-10-25)
Tulane pioneers novel ovarian cancer treatment
The Tulane University Section of Hematology and Medical Oncology is investigating a novel treatment for ovarian cancer by using intravenous Ontak to deplete harmful cells that inhibit the body's natural immune response to fight cancer. Ovarian cancer is the fifth leading cancer killer of women in the United States. view more (2005-07-18)
White blood cells of cancer-resistant mice overwhelm natural defenses of cancer cells
The discoverers of the unique mouse line that is resistant to cancer have begun to pin down how the process works and found that white blood cells in these mice overwhelm normal defenses of cancer cells. view more (2006-11-01)
Soil emissions are much-bigger-than-expected component of air pollution
Nitrogen oxides produced by huge fires and fossil fuel combustion are a major component of air pollution. They are the primary ingredients in ground-level ozone, a pollutant harmful to human health and vegetation. view more (2005-06-07)
Silencing a protein could kill T-Cells, reverse leukemia
Blocking the signals from a protein that activates cells in the immune system could help kill cells that cause a rare form of blood cancer, according to physicists and oncologists who combined computer modeling and molecular biology in their discovery. view more (2008-10-23)
Out of Africa: Scientists uncover history of honey bee
"Every honey bee alive today had a common ancestor in Africa" is one conclusion drawn by a team of scientists that probed the origin of the species and the movements of introduced populations, including African "killer" bees in the New World. view more (2006-10-26)
Research shows fat fuels inflammation killer
New research by the University of Warwick's Warwick Medical School shows that the biggest health threat to fat and obese people isn't the fat itself but the fact that the fat fuels a killer inflammation response in people. view more (2006-03-09)
T cells activated to fight HIV basis for dendritic cell therapeutic vaccine
Having their immune system cells go through a laboratory version of boot camp may help patients win their battle against HIV. view more (2006-08-14)
Laser Blasts Viruses in Blood
A father-son research team working from separate laboratory benches across the country has discovered a new use for lasers - zapping viruses out of blood. The technique, which holds promise for disinfecting blood for transfusions, uses a low-power laser beam with a pulse lasting just fractions of a second. view more (2007-09-05)
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