ScienceDaily Top Science Headlines
for Sunday, September 25, 2011
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Monkeys also reason through analogy, study shows (September 24, 2011) -- Recognizing relations between relations is what analogy is all about. What lies behind this ability? Is it uniquely human? A new study has shown that monkeys are capable of making analogies. ... > full story
Protein 'switches' could turn cancer cells into tiny chemotherapy factories (September 24, 2011) -- Researchers have devised a protein "switch" that instructs cancer cells to produce their own anti-cancer medication. ... > full story
Nature shows the way: Self-healing membranes (September 24, 2011) -- The plant liana, whose stabilization rings of woody cells heal spontaneously after suffering damage, serves as a natural example to bionic experts of self-repairing membranes. Such membranes could find use, for example, in rubber dinghies. Researchers have borrowed this trick from nature and developed a polymer foam surface coating with a closed cell construction which not only reduces the pressure loss after the membrane is damaged but also makes the inflatable structure more resistant and giving it a longer operational life. ... > full story
Infant mortality linked to subsequent risk of stillbirth, new U.S. study finds (September 24, 2011) -- Women whose first pregnancy ended in infant death are significantly more likely to have a subsequent stillbirth, according to a new study by U.S. researchers. ... > full story
NASA's UARS satellite re-enters Earth's atmosphere (September 24, 2011) -- NASA's decommissioned Upper Atmosphere Research Satellite (UARS) fell back to Earth between 11:23 p.m. EDT Friday, Sept. 23 and 1:09 a.m. Sept. 24, 20 years and nine days after its launch on a 14-year mission that produced some of the first long-term records of chemicals in the atmosphere. The precise re-entry time and location of debris impacts have not been determined. During the re-entry period, the satellite passed from the east coast of Africa over the Indian Ocean, then the Pacific Ocean, then across northern Canada, then across the northern Atlantic Ocean, to a point over West Africa. The vast majority of the orbital transit was over water, with some flight over northern Canada and West Africa. ... > full story
How devoted moms buffer kids in poverty (September 24, 2011) -- Children raised in poverty often grow up to have poor health in adulthood, from frequent colds to heart disease. But there's one thing that might buffer them from that fate: a good mom, according to a new study. ... > full story
Nature offers key lessons on harvesting solar power, say chemists (September 24, 2011) -- Clean solutions to human energy demands are essential to our future. While sunlight is the most abundant source of energy at our disposal, we have yet to learn how to capture, transfer and store solar energy efficiently. According to a new study, the answers can be found in the complex systems at work in nature. ... > full story
Living in damp river valleys leads to lung problems, study suggests (September 24, 2011) -- A new study has shown that living in a river valley at low altitude can increase the risk of developing lung problems. ... > full story
NASA to demonstrate communications via laser beam (September 24, 2011) -- It currently takes 90 minutes to transmit high-resolution images from Mars, but NASA would like to dramatically reduce that time to just minutes. A new optical communications system that NASA plans to demonstrate in 2016 will lead the way and even allow the streaming of high-definition video from distances beyond the moon. ... > full story
Two new cost-effective ways to predict prostate cancer (September 24, 2011) -- Two related studies reveal new risk indicators for prostate cancer. The first study shows that men diagnosed with benign prostate enlargement have an increased risk of developing and dying from prostate cancer. The second study shows that monitoring prostate-specific antigen levels can be used to predict the long-term risk of healthy men developing and dying from prostate cancer. Both could lead to more efficient and cost-effective screening for prostate cancer, with reductions in over-diagnosis and unnecessary treatment. ... > full story
Fluid equilibrium in prehistoric organisms sheds light on a turning point in evolution (September 24, 2011) -- Maintaining fluid balance in the body is essential to survival. By researching recent genomic data, researchers have found genetic evidence that links this intricate process to a turning point in evolution. ... > full story
Stress drives alcoholics' children to drink, study suggests (September 24, 2011) -- If either of your parents has a drink problem, there is a greater risk that you will consume more alcohol after stressful situations, new research from Sweden suggests. ... > full story
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