Science, September 12, 2008

Cover
Millions of books written before the computer
era are being digitized for preservation. Because the ink has faded,
optical character recognition software cannot decipher many words.
Through a repurposing of an existing online security technology called
CAPTCHA, these words are being manually transcribed by millions of Web
users.

The Mushroom Cloud's Silver Lining
Fallout from atomic bomb testing is helping to solve crimes and address some of the most controversial questions in biology.

Obama and McCain Are Swept Up in a Surprising Space Race
Space
policy may not be on the minds of most Americans, but it's become an
important issue in the race for the White House. How did that happen,
and what does it mean for President Bush's 2004 vision for exploration?

The Houbara: Headed for Oblivion?
The elusive Asian houbara bustard could fall victim to falconers and poaching without strong international protection.

Enhanced Sensitivity of Photodetection via Quantum Illumination
Quantum-mechanically
entangled light, in which one photon is kept as a reference, can
exponentially improve the imaging of an object, as compared with
unentangled illumination.

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