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document.write(' Morality research sheds light on the origins of religion: The details surrounding the emergence and evolution of religion have not been clearly established and remain a source of much debate among scholars.
Brown biologist solves mystery of tropical grasses' origin: Around 30 to 40 million years ago, grasses on Earth underwent an epic evolutionary upheaval. An assemblage capitalized on falling levels of atmospheric carbon dioxide by engineering an internal mechanism to concentrate the dwindling CO2 supply that, like a fuel-injection system in a car, could more efficiently convert sunlight and nutrients into energy.
Drug shows promise for Huntington's disease: An early stage clinical trial of the experimental drug dimebon (latrepirdine) in people with Huntington's disease appears to be safe and may improve cognition. That is the conclusion of a study published today in the Archives of Neurology.
Millimeter-scale, energy-harvesting sensor system developed: A 9 cubic millimeter solar-powered sensor system developed at the University of Michigan is the smallest that can harvest energy from its surroundings to operate nearly perpetually.
Study reveals new details on the dangers of third-hand smoke: Nicotine in third-hand smoke, the residue from tobacco smoke that clings to virtually all surfaces long after a cigarette has been extinguished, reacts with the common indoor air pollutant nitrous acid to produce dangerous carcinogens.
The private sale of drugs in public hospitals: Governments are under increasing pressure to provide access to expensive new drugs. Canadian patients who want access to drugs that are not publicly insured are seeking to pay for these drugs within public hospitals.
