Caylee Anthony's Unsolved Death Joins Long List

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Caylee Anthony's Unsolved Death Joins Long List         Many Americans expect that almost all crimes -- especially sensational murders -- will be solved. But often, as in the case of Caylee Anthony, they're not.  Read More WATCH VIDEO: Death Flies Learn how blow flies can help determine when someone was killed. Some People May Be Bad to the Bone         A man's facial bone structure can predict unethical behavior, according to new research. Read More WATCH VIDEO: Can You Really Detect a Lie? Deception is a tricky thing. Cookie Cutter Shark Scooped Out Swimmer's Flesh         The first documented cookiecutter shark attack on a live human resulted in crater-like wounds. Read More WATCH VIDEO: Saving Hammerhead Sharks This unique species has its own unique problems with protection. Space Shuttle to Slip Into History: Photos         As the Shuttle Program draws to a close, take a look at how NASA's spaceship has shaped manned spaceflight history.  Read More WATCH VIDEO: Space Tourism Fears What happens when space becomes a tourist attraction? 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