ScienceDaily Top Science Headlines
for Sunday, May 30, 2010
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New species of invertebrates discovered in the Antarctic (May 30, 2010) -- On board the German oceanographic ship and through various expeditions carried out between 1996 and 2008, two scientists have discovered six new gorgonia (colonial marine invertebrates made up of tubular bodied polyps with eight tentacles) in the Antarctic region, in the Eastern Weddell Sea. These discoveries reveal the great diversity of the Antarctic that is still unknown. ... > full story
Antiretroviral therapy associated with decreased risk of HIV transmission (May 30, 2010) -- Researchers have found that treating HIV-infected persons with antiretroviral therapy reduces HIV transmission to their sexual partners by more than 90 percent. ... > full story
The great pond experiment: Pond communities bear a lasting imprint of random events in their past (May 30, 2010) -- A seven-year experiment shows that pond communities bear the imprint of random events in their past, such as the order in which species were introduced into the ponds. This finding locates one of the wellsprings of biodiversity but also suggests that it may not be possible to restore ecosystems whose history we cannot recreate. ... > full story
When helper cells aren't helpful (May 30, 2010) -- Current research suggests that T helper-type 1 cells, previously thought to mediate autoimmunity, may actual inhibit the development of experimental immune encephalomyelitis, a mouse model of multiple sclerosis, by suppressing Th17 cells. ... > full story
Precise trace gas analysis, without the noise (May 30, 2010) -- Analyzing trace atmospheric gases can now be considerably more precise with the help of a device that delivers stable and reliable power to the lasers used in gas sensors. ... > full story
Tobacco industry influence on health policy detailed (May 30, 2010) -- The wide reach of the tobacco industry and its influence on young people, military veterans and national health-care reform has been detailed in three new studies. ... > full story
First horned dinosaur from Mexico: Plant-eater had largest horns of any dinosaur (May 29, 2010) -- A new species of horned dinosaur unearthed in Mexico has larger horns that any other species -- up to 4 feet long -- and has given scientists fresh insights into the ancient history of western North America, according to paleontologists. ... > full story
Experimental treatment protects monkeys from lethal Ebola virus post-exposure (May 29, 2010) -- Scientists using tiny particles of genetic material to interfere in the replication process of the deadly Ebola virus have successfully prevented monkeys exposed to that virus from dying of hemorrhagic fever. The proof-of-concept study suggests that such protection also should be possible in humans. ... > full story
Snails on methamphetamine: Memories formed by snails under influence of meth are harder to forget (May 29, 2010) -- Crystal meth (methamphetamine) is a highly addictive drug, which improves memory, but once hooked, addicts find the habit hard to break. One researcher wondered whether she could learn more about the effects of meth by studying the effect it has pond snail's memories. She found that memories formed by snails under the influence of meth are harder to forget and could help us understand human addiction. ... > full story
Novel protein essential for successful pregnancy (May 29, 2010) -- Researchers have helped clarify the function of a unique protein called preimplantation factor, which is produced by healthy embryos to direct embryo attachment and help the mother adapt to pregnancy. ... > full story
Improved carbon sponges to strip carbon dioxide from power plant exhausts (May 29, 2010) -- A new class of materials with a record-shattering internal surface area may have the right stuff to efficiently strip carbon dioxide from a power plant's exhaust. ... > full story
Researcher decodes Rembrandt's 'magic' (May 29, 2010) -- A researcher using computer-rendering programs has uncovered what makes Rembrandt's masterful portraits so appealing. Rembrandt may have pioneered a technique that guides the viewer's gaze around a portrait, creating a special narrative and "calmer" viewing experience. ... > full story
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