Submarine: Any Truth to the Legendary Shark?

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Submarine: Any Truth to the Legendary Shark?         Did the legendary Submarine great white shark actually exist? Experts say it's possible, but they have a different fish tale to tell. Read More WATCH VIDEO: What Would Happen If Sharks Disappeared? How does an ecosystem react when apex predators like sharks aren't there? Tame Animals Have Floppy Ears, White Patches         If an animal has white patches of fur, floppy ears, and a baby-like face, there's a good chance that it's tame and domesticated. Read More WATCH VIDEO: Are Some Dog Breeds More Aggressive? It's widely debated whether a dog's level of aggression toward strangers is due to its breed, or the way its owner raises it. Tasty Tech Eye Candy: Photos         The week, our images celebrate the imagination of inventors. Read More WATCH VIDEO: Does Virtual Reality Beat Drugs at the Dentist? Instead of getting hopped up on pain meds at the dentist, one day you may be able to just ask for "VR" instead. Is Cycling Harmful for Men?         There's no question that cycling has major health benefits, putting your whole body into workout mode. But the debate rages on about whether all of that pedaling can cause a number of serious maladies in men. 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