Tennis Tech Takes a Swing at the US Open

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Tennis Tech Takes a Swing at the US Open         As the U.S. Open plays out in New York, we take a look at the surprisingly wide world of tennis technology. Read More WATCH VIDEO: The Evolution of Throwing For early humans, the act of throwing meant surviving. These Sharks and Rays Just Got Protected: Photos         Five new shark species, along with two species of manta ray, gain new worldwide protection next month. Read More WATCH VIDEO: Shark Attack! Tips to Fight Back Learn a few insider tips on what to do in the event of a shark attack. 2,700-Year-Old Phoenician Shipwreck Discovered         A Phoenician trading ship dating to 700 B.C. is discovered in the Mediterranean Sea. Read More WATCH VIDEO: Mythical Viking Sunstone Is Real How were the Vikings such remarkable mariners? Scientists find the answer in a 16th-century shipwreck. The Appendix: Not Totally Useless After All         Thanks to new research, the appendix can finally show itself in public again. Tara explains why this formerly pointless organ may not be required equipment but still serves a useful function. 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 © 2014 Discovery Communications, LLC