Croc Extinction Led to Dino Domination

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Croc Extinction Led to Dino Domination         A mass extinction of supersized crocs at the end of the Triassic paved the way for dinosaurs to take over. Read More WATCH VIDEO: Bringing Back Weird Extinct Animals A frog that hatches babies inside its stomach might be making a comeback thanks to science!  Arctic Ice Melt Linked to Chilly Spring         By warming the Arctic, the jet stream takes on a more meandering loop, which can push Arctic air further south. Read More WATCH VIDEO: What Is Spring, Exactly? We explore the vernal equinox and how flowers know it's time to, well, spring. SpaceX Mission Complete! See Photos         The SpaceX Dragon capsule splashed down after a successful resupply mission to the space station -- here's a photo journal of the Dragon's trip to low-Earth orbit and back. Read More WATCH VIDEO: Poop Shield Could Protect Astronauts Radiation in space is dangerous. But science has the solution. Creature With Seven Sexes Plays DNA Roulette         The seven sexes are randomly determined by a series of cut and paste genetic recombination events. Read More WATCH VIDEO: Are Viruses Alive? Find out the latest wrinkle in this seemingly simple yet age-old debate. 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