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Steven Austad , of the Barshop Institute for Longevity and Aging Studies, at the University of Texas Health Science Center at San Antonio, has applied the longevity quotient--which he developed--to many species, including those depicted here.

As the body of North Korea's "dear leader" Kim Jong-il lies in state at his palace in Pyongyang, his youngest son Kim Jong-un takes control over the country's nuclear weapons program. Despite being named Kim's successor in 2009, Kim Jong-un remains a bit of a mystery to the western world.

As the body of North Korea's "dear leader" Kim Jong-il lies in state at his palace in Pyongyang, his youngest son Kim Jong-un takes control over the country's nuclear weapons program.

image courtesy of Wikimedia Commons/Opa Cigarette maker Philip Morris spent years studying whether additives, such as menthol, added to the toxicity of their smokes . And several published studies conducted by the company have claimed that the additives had no impact on the danger of their products. [More]

image courtesy of Wikimedia Commons/Opa Cigarette maker Philip Morris spent years studying whether additives, such as menthol, added to the toxicity of their smokes . And several published studies conducted by the company have claimed that the additives had no impact on the danger of their products

When I wrote my end-of-the-year update for staff, Bora Zivkovic, our chief blogs editor, reminded me that others are also interested in the goings on at Scientific American . It’s never a good idea to say no to Bora. So here s a summary of some highlights for 2011: AWARDS [More]

When I wrote my end-of-the-year update for staff, Bora Zivkovic, our chief blogs editor, reminded me that others are also interested in the goings on at Scientific American . It’s never a good idea to say no to Bora.

Help researchers use bioinformatics to better study the origins of certain genetic diseases [More]

Image by Quentin Stipp, with permission. When I give talks on aging research someone usually asks, When will scientists develop true anti-aging drugs? My answer has little to do with what s happening in the lab, though it s about politics, perceptions and money.

Image by Quentin Stipp, with permission. When I give talks on aging research someone usually asks, When will scientists develop true anti-aging drugs

On a clear November morning in 1964 the Royal Canadian Navy’s Cape Scott embarked from Halifax, Nova Scotia, on a four-month expedition. Led by the late Stanley Skoryna, an enterprising McGill University professor, a team of 38 scientists onboard headed for Easter Island, a volcanic speck that juts out from the Pacific 2,200 miles west of Chile.

On a clear November morning in 1964 the Royal Canadian Navy’s Cape Scott embarked from Halifax, Nova Scotia, on a four-month expedition. Led by the late Stanley Skoryna, an enterprising McGill University professor, a team of 38 scientists onboard headed for Easter Island, a volcanic speck that juts out from the Pacific 2,200 miles west of Chile.

Nuclear powerplant Temelin, Czech Republic In June I wrote about a claim that babies in the U.S. were dying as a direct result of Fukushima radiation

Nuclear powerplant Temelin, Czech Republic In June I wrote about a claim that babies in the U.S. were dying as a direct result of Fukushima radiation

NASA's Kepler spacecraft is starting to put the pieces together in its search for virtual Earth twins in other planetary systems. Kepler, which launched in 2009 , is on the lookout for planets that are about the size of Earth and have temperate surface conditions.