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

Second human embryonic stem cell trial cleared by FDA

An embryonic stem cell treatment for a rare inherited form of blindness was approved Monday for clinical trials. This is only the second human embryonic stem cell-based trial to be approved by the U.S...

November 22, 2010 — Katherine Harmon

Brian Marsden, longtime director of the Minor Planet Center, dead at 73

Brian G. Marsden, who as director of the International Astronomical Union's Minor Planet Center (MPC) was the official record keeper for most of the astronomical discoveries in the solar system in recent decades, died November 18, according to an obituary bulletin from the MPC...

November 18, 2010 — John Matson

Cyborg beetles in action [video]

In the December 2010 issue of Scientific American University of California, Berkeley, scientists Michel Maharbiz and Hirotaka Sato describe how they combined off-the-shelf computer electronics with nanosurgical skill to create cyborg beetles that are part machine and part insect...

November 17, 2010 — Christine Gorman

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