Our Blue Marble, in Hi-Def

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Our Blue Marble, in Hi-Def         An iconic view of our planet has been captured through the high-definition eyes of a brand new Earth observing satellite. Read More WATCH VIDEO: Let's Break It Breaking satellites is the goal of some NASA engineers who make sure the equipment is ready for orbit. Is the Tasmanian Tiger Alive?         Two brothers claimed they found a skull that belongs to an animal that has been extinct since 1936. Read More WATCH VIDEO: Searching for an Extinct Bird Researchers and volunteers set out on foot and in canoes, hoping to find an elusive - and some say extinct - bird. World's First Magnetic Soap Invented         The unique soap offers the ability to precisely control a cleanup using magnetic force. Read More WATCH VIDEO: Monster Water Slides Use Magnets A new "water coaster" at Six Flag's Kentucky Kingdom is slipping into the future of water slide technology. Stunning Time-Lapse Video of Yosemite         Watch the majestic national park evolve through the seasons – in nighttime and day – in this time-lapse presentation. Read More WATCH VIDEO: Patrolling a National Park by Sled Alaska's Denali National Park is the only U.S. national park that still uses sled dogs to patrol its six million acres of arctic terrain. 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 © 2010 Discovery Communications, LLC