An international team of researchers compared the genomes of 31 living Native Americans, Siberians and people from Oceania with 23 ancient Native American genomes to establish a timeline for the …read more Source:: Science
Month: July 2015
Evolution, not just mutation, drives development of cancer
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•A new article argues against the commonly held ‘accumulation of mutations’ model of oncogenesis in favor of a model that depends on evolutionary pressures acting on populations of cells. …read more Source:: Science
Altering RNA helicases in roundworms doubles their lifespan: similar technique could be used on human cells, experts say
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•The things we do to extend our lives — quitting smoking, cutting back on carbs, taking up jogging — all have some impact on our longevity, if only just a …read more Source:: Science
Faulty metal brace likely doomed SpaceX Falcon rocket, Musk says
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•CAPE CANAVERAL, Fla (Reuters) – A faulty metal brace in an unmanned SpaceX Falcon 9 rocket likely triggered the explosion that destroyed the booster minutes after liftoff from Florida last …read more Source:: UKScienceNews
Bad strut likely doomed SpaceX Falcon rocket, Musk says
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•CAPE CANAVERAL, Fla. (Reuters) – A flawed steel strut holding a helium pressurization bottle likely gave way, dooming a SpaceX Falcon 9 rocket last month, company chief Elon Musk said …read more Source:: UKScienceNews
Fossil fuel emissions will complicate radiocarbon dating
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•Fossil fuel emissions could soon make it impossible for radiocarbon dating to distinguish new materials from artefacts that are hundreds of years old. …read more Source:: Science
How music alters the teenage brain
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•Music training, begun as late as high school, may help improve the teenage brain’s responses to sound and sharpen hearing and language skills, suggests a new study. The authors say …read more Source:: Science
Poverty’s most insidious damage is to a child’s brain
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•An alarming 22 percent of U.S. children live in poverty, which can have long-lasting negative consequences on brain development, emotional health and academic achievement. Now, even more compelling evidence has …read more Source:: Science
Finding the origins of life in a drying puddle
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•Anyone who’s ever noticed a water puddle drying in the sun has seen an environment that may have driven the type of chemical reactions that scientists believe were critical to …read more Source:: Science
Dead galaxies in Coma Cluster may be packed with dark matter
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•Galaxies in a cluster roughly 300 million light years from Earth could contain as much as 100 times more dark matter than visible matter, according to an Australian study. …read more Source:: Science