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Wolfram|Alpha has arrived. Now what's it good for?

The Wolfram|Alpha Web site went live today, accompanied by a lot of noise and mixed reviews.

Most of the hoopla came from people wondering whether the new site, launched by former particle physicist Stephen Wolfram and his eponymous company, will give Google a run for its money...

May 18, 2009 — Larry Greenemeier

How does NASA's "Astro_Mike" tweet from space?

Astronaut Mike Massimino, currently in orbit on space shuttle Atlantis, is better known in the Twitter verse as Astro_Mike. More than 300,000 Twitter users follow his updates, which began last month as chronicles of his preparations for liftoff...

May 18, 2009 — John Matson

A new dawn for solar power?

If solar power is ever going to take off—and the world needs it to—photovoltaic cells will have to become a whole lot cheaper to produce.

May 15, 2009 — David Biello

Happy Endangered Species Day!

Well folks, today is the fourth annual Endangered Species Day, an event created by act of the U.S. Senate to encourage education about and action to protect the more than 1,300 endangered species in our country...

May 15, 2009 — John Platt

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