Most Incredible Shark Journeys

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Top 10 Most Incredible Shark Journeys         Sharks know their way around the world's oceans, often traveling far and wide to obtain prey, to mate and more. Read More WATCH VIDEO: Shark Embryos and Nature's Other Cannibals What drives some sharks to eat up their brothers and sisters? Snowden: Defectors' Fate in Russia … Not So Nice         Disgruntled spies and whistleblowers of the past have found a tough life in Mother Russia.   Read More WATCH VIDEO: Can You Really Detect a Lie? The truth is, probably not. The truth is a deceptive thing... Watch Curiosity's Entire Year on Mars         Curiosity has been roving, digging and drilling its way across Mars over the past 12 months -- here's a timelapse video of its journey so far. Read More WATCH VIDEO: Curiosity's Habitable Environment Hunt Could life have existed on Mars even before it flourished on Earth? How to Control Your Dreams: Video         Lucid dreaming is a dream where you're in control. Want to win the lottery, or fly faster than Superman? Done and done! Watch Follow Discovery News on Facebook! Get your sci-tech headlines all day on Twitter too! Follow us @Discovery_News. 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 © 2013 Discovery Communications, LLC