Hunting Intelligent Aliens

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13 Ways to Hunt Intelligent Aliens         We have yet to detect a signal from an alien civilization -- so scientists are thinking up novel (and often extreme) ways we may make first contact. Read More WATCH VIDEO: Aliens and Other Space Mysteries From UFO hoaxes to supposed conspiracies, do we know what's really out there? Top Surprising Health Benefits of Sex         It works against migraines, heart disease, even gum decay, to name a few. Read More WATCH VIDEO: Am I a Sex Addict?! Psychologists debate whether or not sexual addiction is a disorder. Japan Quake, Tsunami, Radiation Two Years On         Documentary filmmaker Ian Thomas Ash reflects on the disaster that struck Japan two years ago. Read More WATCH VIDEO: Japanese Earthquake Dog In a video, a muddy, shivering dog appears to wait by an injured friend. Papal Conclave: How It Will Work         Cardinal Angelo Scola, the 71-year-old archbishop of Milan, Italy, has already gained the support of some 40 cardinals, making him a frontrunner. Read More WATCH VIDEO: Shroud of Turin Goes Digital The Shroud of Turin is entering the digital era after being extensively photographed and filmed in high definition. 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