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Twitter celeb accounts hacked. Could yours be next?

Twitter has arrived. How do we know? It's been hacked like all the other hot social networks before it. (Read: Facebook and MySpace .) The cyber attacks say as much about the growing popularity of the "microblogging" site (messages can't be longer than 140 characters) as they do about the company's inability to secure its users' information...

January 6, 2009 — Larry Greenemeier

A picture is worth a thousand words

Editor's note: Marine geophysicist Robin Bell is leading an expedition to Antarctica to explore a mysterious mountain range beneath the ice sheet. Following is the sixteenth of her updates on the effort as part of ScientificAmerican.com 's In-Depth Report on the "Future of the Poles."
AGAP SOUTH CAMP, ANTARCTICA—Since we first conceived this project, we have been acutely aware of the limited amount of time we would have in the field.  We wanted 35 days to complete the planned program...

January 6, 2009 — Robin Bell

The Milky Weigh Galaxy

LONG BEACH, CALIF.—One of the unnerving aspects of astronomy as a science is how astronomers continue to argue over measurements you’d have thought they settled long ago.

January 5, 2009 — George Musser

Mars exploration rovers just keep going and going...

When NASA's Spirit and Opportunity rovers touched down on Mars, they were each tapped for three-month missions exploring the Red Planet. But five years later, both are still moving, providing a bright spot at a tumultuous time for the space agency...

January 5, 2009 — John Matson

Toyota to offer car powered by the sun?

Toyota won't just be adding solar panels to its popular Prius gas-electric hybrid car—like the solar electric conversion kit seen at left—it'll be powering a version of it exclusively via sunshine, according to The Nikkei , Japan's business newspaper...

January 5, 2009 — David Biello

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