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Observations

Observations

Opinion, arguments & analyses from guest experts and from the editors of Scientific American

Winter Olympic medals made from recycled e-waste

When Olympic champions are crowned at this year's winter games in Vancouver, these elite athletes will be taking home more than just gold, silver or bronze medals—they will be playing a role in Canada's efforts to reduce electronic waste...

February 12, 2010 — Larry Greenemeier

How do coronary stents work?

Former President Bill Clinton received two stents in one of his coronary arteries Thursday at a New York City hospital, according to a prepared statement by his adviser Douglas Band.

February 12, 2010 — John Matson

Third-hand smoke contains carcinogens too, study says

Anyone walking into a smoker's abode can tell you that the traces of tobacco use don't vanish when a cigarette or cigar is extinguished. But just what happens to this "third-hand" smoke once the air has cleared—and can it still be harmful?...

February 8, 2010 — Katherine Harmon

Space shuttle Endeavour blasts off after one-day delay

The fifth-to-last mission of the space shuttle program got under way early Monday, as the shuttle Endeavour rocketed up from NASA's Kennedy Space Center in Florida to begin a 13-day mission to the International Space Station...

February 8, 2010 — John Matson

Moving forward with electronic health records

NEW YORK—Almost a year since President Obama signed the American Recovery and Reinvestment Act (ARRA), which earmarked some $19 billion to get electronic health records off the ground, most of the country's medical and research institutions are still primarily pushing paper...

February 5, 2010 — Katherine Harmon

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Scientific American Health & Medicine

Scientific American Health & Medicine