Space Season: Mar 5, 2011

Saturday, March 5, 2011

ScienceDaily Technology Headlines -- for Saturday, March 5, 2011

ScienceDaily Technology Headlines

for Saturday, March 5, 2011

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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

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

The dusty disc of NGC 247 (March 4, 2011) -- A new image of NGC 247 reveals the fine details of this highly inclined spiral galaxy and its rich backdrop. Astronomers say this highly tilted orientation, when viewed from Earth, explains why the distance to this prominent galaxy was previously overestimated. ... > full story

Scientists create cell assembly line: New technology synthesizes cellular structures from simple starting materials (March 4, 2011) -- Borrowing a page from modern manufacturing, scientists have built a microscopic assembly line that mass produces synthetic cell-like compartments. ... > full story

NASA's Glory satellite fails to reach orbit (March 4, 2011) -- NASA's Glory spacecraft launched aboard a Taurus XL rocket from Vandenberg Air Force Base in California March 4, 2011 at 5:09:45 a.m. EST failed to reach orbit. Telemetry indicated the fairing, the protective shell atop the Taurus XL rocket, did not separate as expected about three minutes after launch. ... > full story

Risks of chemical exposure: Scientists call for 'swifter and sounder' testing of chemicals (March 4, 2011) -- Scientific societies representing 40,000 researchers and clinicians are asking that federal regulators tap a broader range of expertise when evaluating the risks of chemicals to which Americans are being increasingly exposed. ... > full story

Method developed to match police sketch, mug shot: Algorithms and software will match sketches with mugshots in police databases (March 4, 2011) -- Researchers have developed a set of algorithms and created software that will automatically match hand-drawn facial sketches to mug shots that are stored in law enforcement databases. ... > full story

Two languages in peaceful coexistence in one society (March 4, 2011) -- Physicists and mathematicians have shown that two languages can remain stable in one society in the long-term. This research refutes earlier research which sought to show how one of two languages would inevitably die out. ... > full story

New kinds of superconductivity? Physicists demonstrate coveted 'spin-orbit coupling' in atomic gases (March 4, 2011) -- Physicists have for the first time caused a gas of atoms to exhibit an important quantum phenomenon known as spin-orbit coupling. Their technique opens new possibilities for studying and better understanding fundamental physics and has potential applications to quantum computing, next-generation "spintronics" devices and even "atomtronic" devices built from ultracold atoms. ... > full story

Nanofabrication tools may make silicon optical chips more accessible (March 4, 2011) -- In an effort to make it easier to build inexpensive, next-generation silicon-based electro-optical chips, which allow computers to move information with light and electricity, scientists are developing design tools and using commercial nanofabrication tools. ... > full story

Taking the heat: Silver-diamond composite offers unique capabilities for cooling powerful defense microelectronics (March 4, 2011) -- Researchers are developing a solid composite material to help cool small, powerful microelectronics used in defense systems. The material, composed of silver and diamond, promises an exceptional degree of thermal conductivity compared to materials currently used for this application. ... > full story

Ultrasound and algorithms could lead to better breast cancer screening (March 4, 2011) -- New research holds the promise of becoming a powerful new weapon in the fight against breast cancer. His complex computational research has led to a fast, inexpensive new method for using ultrasound and advanced algorithms to differentiate between benign and malignant tumors with a high degree of accuracy. ... > full story

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ScienceDaily Health Headlines -- for Saturday, March 5, 2011

ScienceDaily Health Headlines

for Saturday, March 5, 2011

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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

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

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

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

New light-sensing mechanism found in neurons (March 4, 2011) -- Scientists have discovered a second form of phototransduction light sensing in cells that is derived from vitamin B2. This discovery may reveal new information about cellular processes controlled by light. ... > full story

Star-shaped brain cells feed long-term memory (March 4, 2011) -- Researchers have found that lactate, a type of energy fuel in the brain, plays a critical role in the formation of long-term memory. These findings have important implications for common illnesses like Alzheimer's disease, other neurodegenerative disorders, aging-related memory impairment and diabetes. ... > full story

Drop in temperature may explain the increase in dry eye suffering (March 4, 2011) -- Springtime may be just what the doctor orders for individuals suffering from dry eye condition, a disorder resulting from insufficient tear production or altered tear film composition. According to a new study, a temperature less than 30 degrees Celsius on the eye and eyelid could be the cause for the onset or worsening of the disorder. ... > full story

Moderate sleep loss impairs vigilance and sustained attention in children with ADHD (March 4, 2011) -- A new study indicates that the ability of children with attention deficit hyperactivity disorder to remain vigilant and attentive deteriorated significantly after losing less than one hour of nightly sleep for a week. ... > full story

Neurons with symptoms of Parkinson's disease created from patient's skin cells (March 4, 2011) -- Neurons have been derived from the skin of a woman with a genetic form of Parkinson's disease and have been shown to replicate some key features of the condition in a dish, say researchers. ... > full story

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ScienceDaily Environment Headlines -- for Saturday, March 5, 2011

ScienceDaily Environment 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

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

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

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

Worms strike see-saw balance in disease resistance (March 4, 2011) -- New research has shown that nematode worms have to trade-off resistance to different diseases, gaining resistance to one microbe at the expense of becoming more vulnerable to another. This finding reveals that the worms, called C. elegans, have a much more complex immune system than was previously thought and shows how important such trade-offs are across the animal kingdom. ... > full story

Some Antarctic ice is forming from bottom (March 4, 2011) -- Scientists working in the remotest part of Antarctica have discovered that liquid water locked deep under the continent's coat of ice regularly thaws and refreezes to the bottom, creating as much as half the thickness of the ice in places, and actively modifying its structure. The finding, which turns common perceptions of glacial formation upside down, could reshape scientists' understanding of how the ice sheet expands and moves, and how it might react to warming climate, they say. ... > full story

Sex differences in male and female learning revealed by gibbons (March 4, 2011) -- Differences in the way male and female learning has evolved have been revealed by new research into gibbons. ... > full story

Ecological adaptation likely to influence impacts of climate change (March 4, 2011) -- Animals' capacity to adapt is a factor in how they are likely to respond to changing climate conditions. ... > full story

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ScienceDaily Top Science Headlines -- for Saturday, March 5, 2011

ScienceDaily Top Science Headlines

for Saturday, March 5, 2011

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