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Astronaut shares groovy space trip

Science editor Alan Boyle's blog: Flying on the International Space Station is the world's biggest high, and NASA astronaut Don Pettit proves it with his psychedelic images and his groovy science videos. Full story

SpaceX mission to space station: How it'll work
Ancient 'Loch Ness monster' had arthritis
Oldest evidence of insect pollination found
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We may not trust Facebook, but we don't quit it either, shows poll

  We've long known more than a few Facebook users don't trust the social network to keep their personal information private. A new poll shows that many who don't trust Facebook stay anyway. Full story

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The five best fitness tracking appliances

If you're thinking about heading outside or to the gym to get some exercise now that the weather is turning warm, you may benefit from an appliance you can wear on your wrist or in your pocket that keeps an eye on your activity level and gives you feedback on how well you're doing. Here are five of the best. Full story

Future of Tech

What’d that dolphin say? New speaker will help find out

Dolphins are among the most intelligent animals on Earth, able to communicate with each other and navigate the seas with a mouthful of sounds, whistles, and clicks. A new high-tech speaker could help decipher the meaning of all the various dolphin vocalizations. Full story

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Image:This image provided by NASA shows the sun releasing a M1.7 class flare.
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Image: NASA mega-rover, "Curiosity's" wheels and suspension
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  Slideshow

Welcome to the microcosm

more photos

Click through the top 10 pictures of the 2011 Olympus BioScapes International Digital Imaging Competition.

Image: US-IT-APPLE-MACWORLD-JOBS
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Image: Winners of Nikon's Small World Photography contest 2011
Furcifer timoni, female
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Image: Space shuttle Endeavour
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Earth hour
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SPACE SHUTTLE DISCOVERY ROBINSON
NASA via AP

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The five best fitness tracking appliances

If you're thinking about heading outside or to the gym to get some exercise now that the weather is turning warm, you may benefit from an appliance you can wear on your wrist or in your pocket that keeps an eye on your activity level and gives you feedback on how well you're doing. Here are five of the best.


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