An Epic South Pole Bicycle Trek at Christmas

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An Epic Christmas Bicycle Trek to the South Pole         Eric Larsen is currently attempting to become the first person to ride a fat tire bike 750 miles from Hercules Inlet to the South Pole. Read More WATCH VIDEO: BMX Biker Breaks Law of Gravity BMX rider Jed Mildon completed the world's first triple backflip on his bike. West Antarctica Warming in Triple Time         Air temperatures are rising three times the global rate over the West Antarctic Ice Sheet. That's potentially very bad news for sea levels all over the world. Read More WATCH VIDEO: Monitoring Climate Change How do we know for sure that our climate is changing? We measure. Apocalypse Never: Asteroid 2011 AG5 Will Miss Earth         This is a bit of cheery post-doomsday news -- the potentially hazardous asteroid 2011 AG5 will not threaten Earth in the year 2040. Read More WATCH VIDEO: Asteroid vs. Meteorite Think you know the difference between an asteroid and a meteorite? See if you're right. Tau Ceti e: Another Interstellar Target?         A "super-Earth" appears to be orbiting within the habitable zone of the star Tau Ceti. Could it be a target for an interstellar probe? Read More WATCH VIDEO: Sci-fi Classic Still Inspires Now 100 years old, the John Carter stories have inspired characters real and fictional. From Our Sponsor At Discovery we value your privacy. If you would like to be removed from Discovery News emails like this, please click here to our subscription center, where you can manage your account. We recently updated our privacy policy. This policy is effective as of 10/30/07. To see new policy click here . Discovery Communications, LLC One Discovery Place Silver Spring, MD 20910 © 2010 Discovery Communications, LLC