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Space7543 articles archived since 1845

The Many Worlds of Hugh Everett

After his now celebrated theory of multiple universes met scorn, Hugh Everett abandoned the world of academic physics. He turned to top secret military research and led a tragic private life

October 21, 2008 — Peter Byrne

Geoengineering: How to Cool Earth--At a Price

Global warming has become such an overriding emergency that some climate experts are willing to consider schemes for partly shielding the planet from the sun's rays. But no such scheme is a magic bullet

October 20, 2008 — Robert Kunzig

The Great Worldwide Star Count

Help scientists measure light pollution around the world by participating in the Great Worldwide Star Count. Cynthia Graber reports

October 20, 2008

Enceladus: Not dead yet

A dramatic image of Saturn's sixth-largest moon, Enceladus, made on a close flyby by NASA's Cassini spacecraft earlier this month.

October 20, 2008

Searching for Intelligence

Author and journalist Carl Zimmer talks about the search for the physiological and biological basis of intelligence, the subject of his article in the October issue of Scientific American magazine. And Editor in Chief John Rennie discusses other articles in the issue, including the cover story on the possibility of a big bounce instead of the big bang and the science of the World Wide Web. Plus, we'll test your knowledge about some recent science in the news. Web sites mentioned in this episode include;

October 1, 2008 — Steve Mirsky

20% off Scientific American Health & Medicine

20% off Scientific American Health & Medicine