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Sentries in the garden shed

Someday, that potted palm in your living room might go from green to white, alerting you to a variety of nasty contaminants in the air, perhaps even explosives. The stuff of science fiction you say? Not so, says a Colorado State University bi...

Death of the “doughnut”

Something has been eating Charlie Kerfoot's doughnut, and all fingers point to a European mollusk about the size of a fat lima bean. No one knew about the doughnut in southern Lake Michigan, much less the mollusk, until Michigan Technologi...

Liposuction-like procedure may harm body's immune system

A liposuction-like procedure called lipectomy results in a loss of humoral immune protection in two commonly studied rodent models, the prairie vole and the Siberian hamster, scientists have found. The report by a team of researchers at Indiana University, Ohio State University and Johns Hopkins University was made available online this week by The Royal Society. Their study is the first to show that even a moderate loss of fat leads to decreased amounts of infection-fighting IgG antibodies.

Large-scale climate changes occur naturally, new research says

A Canadian researcher has found new evidence that -- contrary to previous belief -- the past 6,000 years have been marked by large-scale climate changes occurring naturally, on a regular basis. He and his research team have documented four abrupt climate shifts over the past 5,500 years in western Canada, occurring on average every 1,220 years. Until now the last 6,000 years has been considered climatically stable, with the main evidence of large-scale shifts being found in the Greenland ice cores and sediments from the Atlantic Ocean. The team's findings are reported in the current issue of the Proceedings of the National Academy of Sciences.

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