ScienceDaily Top Science Headlines
for Saturday, March 5, 2011
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Fossils of horse teeth indicate 'you are what you eat' (March 4, 2011) -- Fossil records verify a long-standing theory that horses evolved through natural selection. Scientists arrived at the conclusion after examining the teeth of 6,500 fossil horses representing 222 different populations of more than 70 extinct horse species. ... > full story
New non-surgical autopsy technique set to revolutionize post-mortem practice (March 4, 2011) -- A new non-surgical post-mortem technique that has the potential to revolutionize the way autopsies are conducted around the world has been pioneered by forensic pathologists and radiologists. ... > full story
Observing Arctic ice-edge plankton blooms from space (March 4, 2011) -- Ongoing climate-driven changes to the Arctic sea-ice could have a significant impact on the blooming of tiny planktonic plants (phytoplankton) with important implications for the Arctic ecosystem, according to new research, ... > full story
Possible new treatment strategies for pancreatic cancer (March 4, 2011) -- Researchers have identified a protein that can be modified to improve the effectiveness of one of the most common drugs used to treat pancreatic cancer. ... > full story
Feet first? Old mitochondria might be responsible for neuropathy in the extremities (March 4, 2011) -- The burning, tingling pain of neuropathy may affect feet and hands before other body parts because the powerhouses of nerve cells that supply the extremities age and become dysfunctional as they complete the long journey to these areas, scientists suggest in a new study. The finding may eventually lead to new ways to fight neuropathy, a condition that often accompanies other diseases including HIV/AIDS, diabetes and circulatory disorders. ... > full story
Can you predict your mate will cheat by their voice? (March 4, 2011) -- When choosing a partner, women believe the lower the man's voice, the more likely he's going to cheat. Conversely, men think a woman with a higher voice is more likely to be unfaithful, researchers have found. The study is the first to examine the link between voice pitch and perceived infidelity and offers insight into the evolution of the human voice and how we choose our mates. ... > full story
Rising carbon dioxide is causing plants to have fewer pores, releasing less water to the atmosphere (March 4, 2011) -- As carbon dioxide levels have risen during the last 150 years, the density of pores that allow plants to breathe has dwindled by 34 percent, restricting the amount of water vapor the plants release to the atmosphere, report scientists. ... > full story
How long do stem cells live? (March 4, 2011) -- A unique computer model calculates how long a blood stem cell will live, information that could predict the outcome of bone marrow transplants. ... > full story
Nanotechnology: New 'frozen smoke' may improve robotic surgery, energy storage (March 4, 2011) -- A spongy substance that could be mistaken for packing material has the nanotechnology world buzzing. Scientists have engineered the world's lightest carbon material in such a way that it could be used to detect pollutants and toxic substances, improve robotic surgery techniques and store energy more efficiently. ... > full story
Some overweight adolescents may be at risk for weak bones (March 4, 2011) -- Overweight adolescents already struggling with risk factors such as insulin resistance may need to add weak bones to their list of health concerns, researchers report. A study of 143 overweight 14- to 18-year-olds showed those with risk factors such as the precursor for diabetes and low levels of the blood-vessel protecting HDL cholesterol have less bone mass -- an indicator of bone strength -- than their overweight but otherwise healthy peers, according to new research. ... > full story
New system can warn of tsunamis within minutes (March 4, 2011) -- Seismologists have developed a new system that could be used to warn future populations of an impending tsunami only minutes after the initial earthquake. The system, known as RTerg, could help reduce the death toll by giving local residents valuable time to move to safer ground. ... > full story
Constant race-based discrimination can lead to 'racial battle fatigue' for African-Americans (March 4, 2011) -- Just as the constant pressure soldiers face on the battlefield can follow them home in the form of debilitating stress, African-Americans who face chronic exposure to racial discrimination may have an increased likelihood of suffering a race-based battle fatigue, according to researchers. ... > full story
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