ScienceDaily Top Science Headlines
for Saturday, June 5, 2010
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Drug induces a memory of safety in rat brains (June 5, 2010) -- Researchers have found a way to pharmacologically induce a memory of safety in the brain of rats, mimicking the effect of training. The finding suggests possibilities for new treatments for individuals suffering from anxiety disorders. ... > full story
Oncologists fight leukemia with two-pronged therapy, clinical trials planned (June 5, 2010) -- Researchers have used an agent, called Oxi4503, to poison leukemia cells and destroy the blood vessels that supply the cells in mouse models of acute myelogenous leukemia, or AML. The researchers plan human tests of the drug later this year. ... > full story
Cysts hold clues to pancreatic cancer; Detection and removal may lower cancer risk (June 5, 2010) -- Researchers have developed a method that could be used to predict whether pancreatic cysts are benign or are precursors to invasive cancer. ... > full story
New cancer treatment? MM-111 antibody uses HER2 target to reach and block HER3 (June 5, 2010) -- Patients with HER2-positive cancers can have dramatic responses to HER2-targeted drugs but eventually develop resistance to the agents. With that problem in mind, researchers are testing a novel type of antibody called MM-111 in patients with HER2-positive disease who have progressed on standard therapy. ... > full story
Making lake and stream conservation more effective (June 5, 2010) -- Scientists have developed a pioneering, comprehensive approach that makes conserving and managing freshwater lakes, streams and wetlands more integrated and effective. ... > full story
Special care plan does not slow decline in patients with Alzheimer's, study finds (June 5, 2010) -- A special dementia care plan, involving regular assessments of patients with Alzheimer's disease in specialist memory clinics, does not slow functional decline compared with usual care, a new study finds. ... > full story
Drilling into the unknown: First exploration of a sub-glacial Antarctic lake is a major step closer (June 4, 2010) -- Scientists have located the ideal drill site for the first ever exploration of an Antarctic sub-glacial lake. Scientists have revealed the optimal drill site for exploring Lake Ellsworth, a sub-glacial lake comparable in size to England's Lake Windermere which is covered by three kilometers of ice. This development is likely to facilitate a revolution in climate-change research and may lead to the discovery of life-forms cut off from the main line of evolution for millions of years. ... > full story
Lifestyle and genes pose separate risks for breast cancer (June 4, 2010) -- The increased risk of breast cancer associated with a range of common genes is not affected by lifestyle factors -- including use of hormone replacement therapy, age at birth of first child, obesity, and alcohol consumption -- a new study has found. ... > full story
Marmots can teach us about obesity (June 4, 2010) -- A professor has discovered that a common nutrient can help stimulate appetite in hibernating marmots, which can help scientists understand more about human metabolism and obesity. ... > full story
Tiny blood vessels in brain spit to survive (June 4, 2010) -- Scientists have discovered capillaries have a unique method of expelling debris, such as blood clots, cholesterol or calcium plaque, that blocks the flow of essential nutrients to brain cells. The capillaries spit out the blockage by growing a membrane that envelopes the obstruction and then shoves it out of the blood vessel. Scientists also found this critical process is up to 50 percent slower in an aging brain and likely results in the death of more capillaries. ... > full story
Aquatic life declines at early stages of urban development, research finds (June 4, 2010) -- The number of native fish and aquatic insects, especially those that are pollution sensitive, declines in urban and suburban streams at low levels of development -- levels often considered protective for stream communities, according to a new study. ... > full story
Spending time in nature makes people feel more alive, study shows (June 4, 2010) -- Being outside in nature makes people feel more alive, finds a series of studies. And that sense of increased vitality exists above and beyond the energizing effects of physical activity and social interaction that are often associated with our forays into the natural world. ... > full story
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