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Nerd Merit Badges
Foursquare: The new Facebook?

This hipster-habituated social network lets you tip friends to hot (or not) locations and earn merit badges. Trouble is, not enough people are on it. 

Science

Horses never forget human friends

Image: wild mustang named Lightfoot is tended to by Tim Schoenleber
Canon City Daily Record

Horses not only remember people who have treated them well, they also understand words better than expected, research shows. Full story

Prehistoric dads helped with child care

The males among our earliest human ancestors may have helped jumpstart the modern human population explosion by being hands-on fathers.

Cosmic Log
Tales from the quantum frontier

Science editor Alan Boyle's Weblog: The quantum world may seem so small and weird that there's no connection with everyday reality. That couldn't be further from the truth.

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Image:Save Our Earth, Let's Go Green
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NASA / JPL-Caltech / UCLA
NASA
Image: Solar eclipse observed in India
EyesWideOpen via Getty Images
Image: A Lenovo IdeaPad U1 Hybrid laptop is displayed during a media preview for the 2010 International CES in Las Vegas
Reuters
NASA astronaut Mike Massimino is pictured as he peers through a window on the aft flight deck of the Earth-orbiting Space Shuttle Atlantis during the mission's fourth spacewalk to refurbish and upgrade the Hubble Space Telescope
Reuters
Image: Virgin Galactic's SpaceShipTwo, First Commercial Spacecraft, Unveiled In CA
Getty Images
Image: Female Jumping Spider
Thomas Shahan
Image: US Department of Energy hosts the 2009 Solar Decathlon at the National Mall in Washington DC
EPA
Image: Lucky the turtle
TODAY Show
Image: Cat Ba leopard gecko, Vietnam
WWF via EPA
Image: Saturn
NASA
Image: Hubble
NASA / ESA / Hubble SM4 ERO
"Earthrise" seen by the Apollo 8 astronauts in December 1968. Credit: NASA.
NASA
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Is Foursquare the new Facebook?

Foursquare, if you don’t know yet, is a hipster-habituated, location-based social networking Web site in which you can tip your friends on hot (or not) locations and earn virtual merit badges by punching your coordinates into your iPhone (or whatever) whenever you hit a bar, brunchery —  or hook up with other Foursquare participants.


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