3-D Printed Pizza for Mars Colonists?

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3-D Printed Pizza for Mars Colonists?         Enter the 3-D printer: your all-in-one solution to habitat-building, gun-making and now space pizza preparation! Read More WATCH VIDEO: Sex in Space: A How To Sounds like fun, right? Has it been done before? And is it even possible? How Our Brains Miss the Obvious         After the high-profile kidnapping in Cleveland, some wonder: How could so many people miss obvious signs? Read More WATCH VIDEO: Are We All Crazy? Psychologists have been trying to categorize human behavior for nearly two centuries. Prehistoric Dog Lovers Liked Seafood, Jewelry, Spirituality         Burials suggest that some hunter-gatherers saw some of their dogs as being nearly the same as themselves. Read More WATCH VIDEO: Why Endangered Species Are Doomed How do our actions today affect extinction rates 100 years out? Deadliest Tornadoes in U.S. History         See a short history of the most powerful tornadoes to touch down on U.S. soil. Read More WATCH VIDEO: Tornado Chaser Talks Lightning Find out everything you're not supposed to do in an electrical storm. 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