Are You Fit to Fly in Space?

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Are You Fit to Fly in Space?         Diabetics, take heart. You may not be as fit as a NASA astronaut, but that doesn't mean you can't fly in space. Read More WATCH VIDEO: Traveler Trains for Virgin Flight Virgin Galactic is now offering sub-orbital space flights for citizen astronauts. Climate Report: Everything You Wanted to Know         A quick guide to the IPCC report and what it means. Read More WATCH VIDEO: Bringing Climate Change to the Classroom Scientists agree climate change is one of the most serious issues facing humanity. Stuntman Lands Insane 'Flying Dagger' Jump         On Saturday, Jeb Corliss successfully threaded his way through the 'Flying Dagger.' Read More WATCH VIDEO: Extreme Sports Risk-Taking Explained Ever wonder why some people are more likely to take risks than others? Do We Really Only Use 10 Percent of Our Brains?: Video         It's one of the more popular myths out there, but it's just not true. 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