Shark Families: Not So Nuclear

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Shark Families: Not So Nuclear         Multiple paternity is not uncommon among sharks, with a single litter having up to five dads. Read More WATCH VIDEO: Weirdest Sharks in the Sea The ocean is a strange and scary place. And few ocean animals are scarier than sharks! Prehistoric Shark Looked Like the Devil         A newly found prehistoric shark from Arizona sported head spikes that gave it a devilish appearance. Read More WATCH VIDEO: Shark Embryos and Nature's Other Cannibals Shark babies are cannibals. Just one more reason sharks are cool and terrifying. Shark Scientists Pit Robot Against Human         Scientists put their shark-tracking autonomous robots to the test off the California coast. Read More WATCH VIDEO: Robot Jellyfish Patrolling the Oceans The Navy has commissioned a giant robot jellyfish. It's real, and it works. Why Parasites May Not Be All That Bad: Video         According to one ecologist, parasites might be the most common form of life on Earth. How gross is that? 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 © 2013 Discovery Communications, LLC