ScienceDaily Top Science Headlines
for Sunday, September 18, 2011
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Mother tongue comes from your prehistoric father (September 17, 2011) -- Language change among our prehistoric ancestors came about via the arrival of immigrant men -- rather than women -- into new settlements, according to new research. ... > full story
Drug may increase cognition for people with Down syndrome (September 17, 2011) -- A researcher is conducting a clinical trial with a drug that may increase cognition in those with Down syndrome. ... > full story
Opportunity on verge of new discovery: Mars rover poised on rock that may yield yet more evidence of a wet Red Planet (September 17, 2011) -- The Mars rover Opportunity, which was designed to operate for three months and to rove less than a mile, has now journeyed more than seven years crossing more than 21 miles. Today, it is poised at the edge of a heavily eroded impact basin, the possible location of clay minerals formed in low-acid wet conditions on the red planet. ... > full story
T cells making brain chemicals may lead to better treatments for inflammation, autoimmune diseases (September 17, 2011) -- Scientists have identified a surprising new role for a new type of T cell in the immune system: some of them can be activated by nerves to make a neurotransmitter (acetylcholine) that blocks inflammation. The discovery of these T cells is novel and suggests that it may be possible to treat inflammation and autoimmune diseases by targeting the nerves and the T cells. ... > full story
Invasive amphibians, reptiles in Florida outnumber world, study finds (September 17, 2011) -- Florida has the world's worst invasive amphibian and reptile problem, and a new 20-year study verifies the pet trade as the No. 1 cause of the species' introductions. ... > full story
New insight into impulse control (September 17, 2011) -- How the brain controls impulsive behavior may be significantly different than psychologists have thought for the last 40 years. ... > full story
Are genes our destiny? Scientists discover 'hidden' code in DNA evolves more rapidly than genetic code (September 17, 2011) -- A 'hidden' code linked to the DNA of plants allows them to develop and pass down new biological traits far more rapidly than previously thought, according to new findings. ... > full story
Potential molecular target to prevent growth of cancer cells identified (September 17, 2011) -- Researchers have shown for the first time that the protein fortilin promotes growth of cancer cells by binding to and rendering inert protein p53, a known tumor suppressor. ... > full story
Gamma-ray bursts shed light on the nature of dark energy (September 17, 2011) -- Dark energy is the basic constituent of the today's Universe, one that is responsible for its accelerated expansion. Although astronomers observe the cosmological effects of the impact of dark energy, they still do not know exactly what it is. A new method for measuring the largest distances in the Universe helps solve the mystery. A key role is played by the most powerful cosmic explosions -- gamma-ray bursts. ... > full story
MRI research demonstrates ALS attacks multiple parts of the brain (September 17, 2011) -- Medical researchers demonstrate that ALS -- known as Lou Gehrig's disease -- damages neurons in parts of the brain responsible for cognition and behavior. The scientists provide evidence that ALS affects more than just the motor cortex, the part of the brain responsible for motor function. ... > full story
New threat closes in on iconic Galápagos wildlife (September 17, 2011) -- Renewed vigilance over the biosecurity of the Galápagos Islands is needed, based on new research on the risk posed by West Nile virus. ... > full story
Moms who eat high-fat diet before, during pregnancy 'program' babies to be fat, at risk, mouse study shows (September 17, 2011) -- New research in mice indicates that babies born to moms who eat a high-fat diet before and during pregnancy have a higher fat mass and smaller livers than babies whose moms consume low-fat fare, according to scientists. ... > full story
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