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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

How do you stop San Francisco Bay from flooding the city? Hold a contest

Waters in San Francisco Bay will likely be 40 centimeters higher in 40 years thanks to climate change. That may sound like a drop in the bucket for the famously hilly city, but the upper estimate for the next century—tides up 1.4 meters—could threaten buildings and city infrastructure, especially in the case of warming-fueled storm surges...

July 22, 2009 — Katherine Harmon

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