ScienceDaily Top Science Headlines
for Sunday, November 2, 2008
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Sea Urchin Yields Key Secret Of Biomineralization (November 1, 2008) -- The teeth and bones of mammals, the protective shells of mollusks, and the needle-sharp spines of sea urchins and other marine creatures are made-from-scratch wonders of nature. ... > full story
Scientists Identify Machinery That Helps Make Memories (November 1, 2008) -- Researchers have identified a missing-link molecule that helps to explain the process of plasticity in the brain during memory creation and that could lead to targeted therapies. ... > full story
Inland Ants Often Prefer Salt Over Sugar, Implying Salt May Be A Limitation On Their Activity (November 1, 2008) -- Mammals are limited by the availability of salt, and now researchers have shown that ants are too. In experiments in North, Central and South American, researchers have shown that plant-eating and omnivorous ants living more than 60 miles inland are more interested in salt than sugar, with the preference greater the farther they live from the coast. Carnivorous ants show no such preference. ... > full story
Grapes And Grape Extracts May Lower Cardiovascular Disease Risk, Review Article Suggests (November 1, 2008) -- A growing body of research data suggests that consuming foods rich in polyphenols from grapes, including red wine, helps reduce the risk of heart disease, according to a review article in Nutrition Research. ... > full story
Quantum Computers? Internet Security Code Of The Future Cracked (November 1, 2008) -- Computer science experts have managed to crack the so-called McEliece encryption system. This system is a candidate for the security of Internet traffic in the age of the quantum computer -- the predicted super-powerful computer of the future. ... > full story
A Pretty Face Can Make A Difference In Whom You Vote For (November 1, 2008) -- It's not surprising that everyone is talking about the great looks of Sarah Palin. The decision to play up the looks of the former beauty queen is a winning strategy. A perception of competence is not enough to give women the winning edge in political contests. For both male and female voters, female political candidates needed to be seen as attractive as well as competent to get their votes. ... > full story
Ancient Mummy, The Tyrolean Iceman, Has No Modern Children (November 1, 2008) -- Researchers have revealed the complete mitochondrial genome of one of the world's most celebrated mummies, known as the Tyrolean Iceman or Ötzi. The sequence represents the oldest complete DNA sequence of modern humans' mitochondria. It is highly unlikely that the Iceman has any modern day relatives, according to researchers. ... > full story
Interferon Could Be A Key To Preventing Or Treating Multiple Sclerosis (November 1, 2008) -- Multiple sclerosis results when the body's own defense system attacks nerve fibers in the brain and spinal cord. Now scientists have shown that interferon-gamma plays a deciding role in whether immune cells attack and injure the central nervous system (brain and spinal cord) in mice. ... > full story
Soft Rubber Harness Enables Researchers To Study Leatherback Turtles In Captivity For Years (November 1, 2008) -- A Canadian researcher has pioneered a soft rubber harness and a recipe that enabled him to raise and study leatherback turtles in captivity for more than two years -- a feat only one other team of scientists have achieved. ... > full story
Cell Changes Leading To Impaired 'Artificial Kidney' Function Identified (November 1, 2008) -- Molecular targets identified by a Spanish research team may hold the key to freedom for some sufferers of kidney disease. A new study reveals the cellular signals which cause one treatment for kidney failure to lose its usefulness over time. ... > full story
Optical Firewall Aims To Clear Internet Security Bottlenecks (November 1, 2008) -- Researchers are developing the world’s first optical firewall capable of analyzing data on fiber optic networks at speeds of 40 gigabits per second. The work promises to save the internet from the looming threat of network security bottlenecks. ... > full story
Presidential Candidates' Television Ads Most Negative In History (November 1, 2008) -- The 2008 presidential campaign, as reflected in candidates' television spots, has been one of the most negative campaigns in history. A University of Missouri professor analyzed this year's candidates' television spots, including last night's 30-minute ad by Sen. Barack Obama, and found that only one other campaign matched this level of negativity. ... > full story
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