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Canadian commission: TASERs okay, but inconsistent use is "troubling"

Nearly two years following Robert Dziekanski's death at Vancouver International Airport after being shot by Royal Canadian Police with a TASER, a commission investigating Canadian law enforcement's use of such "conducted energy weapons" supports their continued use, as long as this accompanies an overhaul of how and when these weapons are used...

July 27, 2009 — Larry Greenemeier

Wanted: Home for 17,000 tons of mercury

The U.S. is sitting on a slippery stockpile of toxic material that has nothing to do with the nuclear power industry: thousands of tons of mercury. The question remains now of where to store it...

July 27, 2009 — Katherine Harmon

FDA wants to extinguish electronic cigarettes

Those who like to get their nicotine fix electronically will be disappointed to hear that a U.S. Food and Drug Administration report earlier this week found that electronic cigarettes, or "e-cigarettes," contain carcinogens and toxic chemicals such as diethylene glycol, an ingredient used in antifreeze...

July 24, 2009 — Larry Greenemeier

Meet "Tiny," a mouse grown from induced stem cells

Thanks to a little mouse named Tiny, researchers have now shown that full, living mammals can be grown from so-called induced pluripotent stem cells—cells from an adult that act in many ways like embryonic stem cells. 

Xiao Xiao, as the rodent is called in its native Chinese, was one of dozens created from induced pluripotent stem cells (iPS cells) and born to a surrogate mother...

July 24, 2009 — Katherine Harmon

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