ScienceDaily Top Science Headlines
for Saturday, July 5, 2008
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'Mind's Eye' Influences Visual Perception (July 4, 2008) -- Letting your imagination run away with you may actually influence how you see the world. New research has found that mental imagery -- what we see with the "mind's eye" -- directly impacts our visual perception. ... > full story
Circulating Tumor Cells Can Reveal Genetic Signature Of Dangerous Lung Cancers (July 4, 2008) -- A microchip-based device that detects and analyzes tumor cells in the bloodstream can be used to determine the genetic signature of lung tumors, allowing identification of those appropriate for targeted treatment and monitoring genetic changes that occur during therapy. ... > full story
Patriotic New Lilacs Introduced In U.S. (July 4, 2008) -- The word evokes memories of promising spring days and visions of colorful, perfumed blooms. Lilacs have long been well-loved staples in America's yards and gardens, and have played a storied role in US history. ... > full story
Following Traumatic Brain Injury, Balanced Nutrition Saves Lives (July 4, 2008) -- Clinician-scientists are suggesting an immediate and important change to guidelines used in the care of patients with traumatic brain injury. The researchers say that following traumatic brain injury, patients should be given nutritional supplementation through a gastric feeding tube as soon as possible, which they say can improve their chances of survival by as much as four-fold. ... > full story
Some Fundamental Interactions Of Matter Found To Be Fundamentally Different Than Thought (July 4, 2008) -- When an atom collides with a molecule, traditional wisdom said the atom had to strike one end of the molecule hard to deliver energy to it. People thought a glancing blow from an atom would be useless in terms of energy transfer, but that turns out not to be the case. "We have a new understanding of how energy can be transferred in collisions at the molecular scale," said Richard Zare, of Stanford University. ... > full story
Experimental Philosophy Movement Explores Real-life Dilemmas (July 4, 2008) -- Imagine a business executive who thinks: "I know that this new policy will harm the environment, but I don't care at all about that -- I just want to increase profits." Is the business executive harming the environment intentionally? Faced with this question, 82 percent of people polled said yes. ... > full story
Einstein Was Right, Astrophysicists Say (July 4, 2008) -- Researchers have confirmed a long-held prediction of Albert Einstein's theory of general relativity, via observations of a binary-pulsar star system. Eclipses in a unique system of two dead stars, called pulsars, has shown that one of the pair is 'wobbling' in space - just like a spinning top. The effect, called precession, is precisely as predicted by Albert Einstein and is thus a new and exciting confirmation of his theory. ... > full story
Synthetic Molecules Emulate Enzyme Behavior For The First Time (July 4, 2008) -- When chemists want to produce a lot of a substance -- such as a newly designed drug -- they often turn to catalysts, molecules that speed chemical reactions. Many jobs require highly specialized catalysts, and finding one in just the right shape to connect with certain molecules can be difficult. Natural catalysts, such as enzymes in the human body that help us digest food, get around this problem by shape-shifting to suit the task at hand. ... > full story
China Earthquake Rare And Unexpected, Says New Study (July 4, 2008) -- A new analysis of the setting for last month's devastating earthquake in China by a team of geoscientists shows that the quake resulted from faults with little seismic activity, and that similar events in that area occur only once in every 2,000 to 10,000 years, on average. ... > full story
Invasive Treatment Appears Beneficial For Men And High-risk Women With Certain Coronary Syndromes (July 4, 2008) -- An analysis of previous studies indicates that among men and high-risk women with a certain type of heart attack or angina an invasive treatment strategy (such as cardiac catheterization) is associated with reduced risk of rehospitalization, heart attack or death, whereas low-risk women may have an increased risk of heart attack or death with this treatment. ... > full story
New Pathway For Methane Production In The Oceans Discovered (July 4, 2008) -- A new pathway for methane production has been uncovered in the oceans, and this has a significant potential impact for the study of greenhouse gas production on our planet. The article reveals that aerobic decomposition of an organic, phosphorus-containing compound, methylphosphonate, may be responsible for the supersaturation of methane in ocean surface waters. ... > full story
Attitudes Toward Consumption And Conservation Of Tigers In China (July 4, 2008) -- The potential market for tiger products in China is enormous, but a vast majority of the Chinese public would rather have wild tigers than tiger-bone wine, according to new research. ... > full story
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