An increase in average temperature of only two degrees Celsius could have a devastating effect on populations of Australia’s iconic kangaroos.
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A new study in Toxicological Sciences describes the kidney toxicity of melamine and cyanuric acid based on research that was done to characterize the toxicity of the compounds that contaminated pet food in North America in 2007. This research points to a possible link between the pet food contamination that occurred in North America in [...]
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Using positron emission tomography to track tracer doses of methamphetamine in humans’ brains, scientists find that the addictive and long-lasting effects of this increasingly prevalent drug can be explained in part by its pharmacokinetics — the rate at which it enters and clears the brain, and its distribution.
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People traveling to other countries to receive kidney transplants experience more severe post-transplant complications with a higher incidence of acute rejection and severe infections, according to a new study. The findings suggest that such “transplant tourism” by Americans may not be as safe as receiving transplants in the United States.
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Minuscule traces of cells can be detected in a mineral likely present on Mars, researchers report in the current online issue of the peer-reviewed Geomicrobiology Journal. The results, obtained using a technique developed at the US Department of Energy’s Idaho National Laboratory, could help mission scientists choose Martian surface samples with the most promise for [...]
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Ten years after graduation, high-school students who had been rated as conscientious and cooperative by their teachers were earning more than classmates who had similar test scores but fewer social skills, said a new study.
Researchers have demonstrated for the first time that a direct artificial connection from the brain to muscles can restore voluntary movement in monkeys whose arms have been temporarily anesthetized.
Humans have a built-in weapon against HIV, but until recently no one knew how to unlock its potential. A new study in the journal Nature reveals the atomic structure of an enzyme capable of repelling the virus HIV, suggesting new approach for drug development.
A Brown ecologist has found that coastal “dead zones” may not be so dead after all. In a paper published this month in the journal Ecology, Andrew Altieri has found that the commercially valuable quahog clam thrives in hypoxic waters in Narragansett Bay — partly because the clam’s predators flee the low-oxygen areas.
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Many people have started taking vitamin C tablets as a precautionary measure. But research has shown that vitamin supplements do not provide nearly as much protection as other measures, like frequently washing your hands — and that high doses can even be harmful.
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