Skiing on Garbage Could Make Season Greener

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Skiing on Garbage Could Make Season Greener         As resorts respond to global warming, skiers can help lessen their impact. Read More WATCH VIDEO: Bringing Climate Change to the Classroom How should the controversial topic be taught in public schools? Dino-Era Water Trapped Under Impact Crater         Deep beneath the Chesapeake Bay, geologists find 100- to 150-million-year-old water from the Atlantic Ocean's infancy. Read More WATCH VIDEO: Robot Jellyfish Patrolling the Oceans The Navy has commissioned a giant robot jellyfish. See this amazing machine in action.  5 Ways Football Could Be Made Safer         As NFL veterans report declining mental function, new tech and practices aim to cut concussions. Read More WATCH VIDEO: Concussions in Football: What Can Be Done? What happens to a player's brain during violent collisions? How Quadrotors Are Heroes in Times of Disaster: Video         Forget helicopters: Quadrotors are where it's at! These four-bladed machines are revolutionizing everything from package delivery to search and rescue. 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