ScienceDaily Top Science Headlines -- for Saturday, April 23, 2011

ScienceDaily Top Science Headlines

for Saturday, April 23, 2011

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Functioning synapse created using carbon nanotubes: Devices might be used in brain prostheses or synthetic brains (April 22, 2011) -- Engineering researchers have made a significant breakthrough in the use of nanotechnologies for the construction of a synthetic brain. They have built a carbon nanotube synapse circuit whose behavior in tests reproduces the function of a neuron, the building block of the brain. ... > full story

Anti-depressants boost brain cells after injury in early studies (April 22, 2011) -- When neurosurgeons noticed that patients with brain injuries who had been prescribed anti-depressants were doing better in unexpected ways than their counterparts who were not taking such medications, scientists took a closer look. Early results in mice indicate that anti-depressants may help spur the creation and survival of new brain cells after brain injury. ... > full story

Worm studies shed light on human cancers (April 22, 2011) -- Research in the worm is shedding light on a protein associated with a number of different human cancers, and may point to a highly targeted way to treat them. ... > full story

Parasite strategy offers insight to help tackle sleeping sickness (April 22, 2011) -- Fresh insight into the survival strategy of the parasite that causes sleeping sickness could help inform new treatments for the disease. ... > full story

Lawn of native grasses beats traditional lawn for lushness, weed resistance (April 22, 2011) -- A lawn of regionally native grasses would take less resources to maintain while providing as lush a carpet as a common turfgrass used in the South, according to a new study. ... > full story

Quality of parent-toddler relationship could affect risk for childhood obesity (April 22, 2011) -- Toddlers who do not have a secure emotional relationship with their parents, and particularly their mothers, could be at increased risk for obesity by age 4 and a half, according to new research. The study suggests that children at age 24 months who show insecure attachment patterns have at least 30 percent higher odds for obesity by age 4 and a half. ... > full story

Jurassic spider from China is largest fossil specimen discovered (April 22, 2011) -- With a leg span of more than five inches, a recently named Jurassic period spider from China is the largest fossil specimen discovered, and one that has modern relatives in tropical climates today. ... > full story

Toward new medications for chronic brain diseases (April 22, 2011) -- A needle-in-the-haystack search through nearly 390,000 chemical compounds had led scientists to a substance that can sneak through the protective barrier surrounding the brain with effects promising for new drugs for Parkinson's and Huntington's disease. The substance blocks the formation of cholesterol in the brain. ... > full story

'Time machine' made to visually explore space and time in videos: Time-lapse GigaPans provide new way to access big data (April 22, 2011) -- Researchers have leveraged the latest browser technology to create GigaPan Time Machine, a system that enables viewers to explore gigapixel-scale, high-resolution videos and image sequences by panning or zooming in and out of the images while simultaneously moving back and forth through time. ... > full story

Athletes at risk: New, inexpensive test for 'sudden death syndrome' (April 22, 2011) -- A cardiologist has developed a new, inexpensive test for "sudden death syndrome" that's already being used by doctors in America -- and it can be done at the patient's bedside. ... > full story

Clouds, clouds, burning bright (April 22, 2011) -- High up in the sky near the poles some 50 miles above the ground, silvery blue clouds sometimes appear, shining brightly in the night. These are noctilucent or "night shining" clouds. Since 2007, a NASA mission called Aeronomy of Ice in the Mesosphere (AIM) has shown that the cloud formation is changing year to year, a process they believe is intimately tied to the weather and climate of the whole globe. ... > full story

Antidepressants may not improve all symptoms of depression, researchers find (April 22, 2011) -- Even people who show a clear treatment response with antidepressant medications continue to experience symptoms like insomnia, sadness and decreased concentration, researchers have found after analyzing data from the largest study on the treatment of depression. ... > full story

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