Are Great White Sharks Cannibals?

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Are Great White Sharks Cannibals?         The Internet is abuzz over a supposed colossal cannibalistic great white shark, but shark experts say to hold off judgment. Read More WATCH VIDEO: Real Life Sea Monsters Sea monsters are real! We uncover the coolest -- and most terrifying -- creatures in the sea. Mars Rover Watches Mercury Transit the Sun         A fine geologist, a great geochemist. Now the six-wheeled rover has shown it's a pretty damned good astronomer, too. Read More WATCH VIDEO: Water Found on Mars ... FOR REAL! Did life exist on Mars, and what would that mean for future human colonists? World Cup 2014: How the Soccer Ball Has Evolved         From early pig bladders to high-tech wonders, the soccer ball has seen plenty of changes over the centuries. Read More WATCH VIDEO: Does Cutting Out Sex Improve Sports Performance? Some World Cup soccer have banned their players from having sex -- will it help? Why Do We Stay Awake When We're Tired         We procrastinate about all kinds of things we don't want to do -- but sleep? Why would something so renewing be something we PUT OFF? 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