Hotmail
A look at ‘Avatar’
Video: The game seeks to defy the trend of bad movie-based titles by creating a new story line and accessing the film's resources.
Cosmic Log
DARPA
Balloon hunt goes viral
Science editor Alan Boyle's Weblog: More than 300 teams have signed up for a $40,000 balloon hunt organized by the Pentagon's think tank to study how social networking works.
Red Tape Chronicles
ReutersAlso making headlines
Courtesy of PC WorldDigital cameras: No
Laptops and iPods examined by border guards and airport security looking for pirated content? That’s the scenario painted by online civil liberty advocates.
Digital cameras: No
more one size-fits-all
With this holiday guide, you'll find several point-and-shoot choices for that special person. Full story
Top headlines
Shark fins traced to endangered populations
For the first time, DNA tools have successfully pinpointed the geographic origin of shark fins sold dried in markets to satisfy the demand for shark fin soup, a Chinese delicacy.
Multimedia
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Hubble reveals billowing clouds of cosmic dust
A recent image taken by the Hubble Space Telescope reveals the perfect dust laboratory in the sky and could help astronomers pin down the raw ingredients needed to give birth to baby stars.
Multimedia
NASA
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Facebook and MySpace ban N.Y. sex offenders
New laws passed in 25 states are making it easier for social networking giants Facebook and MySpace to purge their membership lists of convicted rapists, gropers and child molesters.
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‘Black screen of death’ for some Windows users
Microsoft says recent security updates made to computers running Windows 7, Vista and XP operating systems are not to blame for the "black screen of death" some users are seeing.
Multimedia
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GPS cell phone apps challenge standalone devices
The growth of cell phones with global-positioning technology is making life uncertain for the makers of personal navigational devices that help drivers figure out where they are and where to go.
Multimedia
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'Assassin's Creed 2' a big step forward
Sharpen your hidden blade and get ready to stab some people in the back. It’s time for Assassin’s Creed 2. Msnbc.com reviewer Robert Gonsalves takes a look at the game.
Multimedia
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Schooling fish inspire efficient wind farms
The patterns that schooling fish form to save energy while swimming have inspired a new wind farm design that researchers say will increase the amount of power produced per acre by at least tenfold.
Multimedia 
NBC News
