Alien Artifacts in Our Backyard?

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Alien Artifacts in Our Backyard?         Physical evidence for intelligent extraterrestrial life might be right in our backyard. Read More WATCH VIDEO: Top 5 UFO Hoax Tips Was that a UFO sighting or a hoax? Learn the tricks to craft a UFO video hoax. Birds Can't Stand the Noise         Teasing apart the effects of noise on birds shows humans are driving their feathered friends away. Read More WATCH VIDEO: Birds Keep The Beat Animals that can mimic sound can also keep a beat, implying an evolutionary link between the two abilities. Cooked Meat Gave Ancestors an Advantage         Cooked meat delivers more energy than raw and the way it's prepared also makes a difference in how it's digested. Read More WATCH VIDEO: Inside a Flavor Lab Take a rare, inside look into a flavor lab, to learn how food flavors are created. Tiny Electric Vehicle Rolls Out         One day these tiny vehicles could travel through our veins to kill cancer cells. Read More WATCH VIDEO: Nanotech Rewards Nanotechnology promises to make our lives better, but how? 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