Secrets of the Viking Sun-Compass -- After Dark

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Secrets of the Viking Sun-Compass -- After Dark         A clever combination of Viking sunstones and a specialized sundial might have enabled Vikings to navigate after sunset. Read More WATCH VIDEO: Mythical Viking Sunstone Is Real How were the Vikings such remarkable mariners? Luxury Coupe Design Has Biodegradable Body         This sleek conceptual design for a Mercedes Benz coupe puts biodegradable plant material front and center. Read More WATCH VIDEO: Teen Invents Affordable Self-Driving Car See how a lone teenager is competing with Silicon Valley's best and brightest. Goats Are Really Smart         Goats have excellent memories and prefer to learn on their own, new research finds. Read More WATCH VIDEO:  4 Animal Myths Exposed Many of the things you think you know about animals are wrong! How Can Something Be a Plant and an Animal?         It's very easy to tell the difference from plants and animals...right? It was announced last week that sea anemones are actually half and half! 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 © 2014 Discovery Communications, LLC