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

Elective cesarean sections are too risky, WHO study says

Despite medical advances and increasing access to improved obstetric care across the globe, surgical childbirths are still more risky for both mother and baby, according to an ongoing international survey by the World Health Organization (WHO)...

January 11, 2010 — Katherine Harmon

A galaxy of new worlds: Dispatch from the American Astronomical Society meeting

WASHINGTON, D.C.—The American Astronomical Society meeting, held here this week, was officially the largest congregation of astronomers (3,400 of them) in history—the most extraordinary collection of cosmic knowledge that has ever gathered together with the possible exception of when Isaac Newton dined alone...

January 8, 2010 — George Musser

Mountaintop removal mining: EPA says yes, scientists say no

On the heels of the U.S. Environmental Protection Agency announcement that it would allow a proposed coal mine involving mountaintop removal to go forward, 12 environmental scientists have published a review of the practice that condemns it in no uncertain terms...

January 8, 2010 — David Biello

Obesity is now just as much of a drag on health as smoking

In case anyone needs a reminder to stick to that New Year's resolution to slim down or kick the cigarette habit, researchers have confirmed that obesity and smoking are still the country's leading contributors to preventable deaths and illnesses...

January 5, 2010 — Katherine Harmon

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