A frilled shark swims in a tank after being found by a fisherman off Japan's coast in 2007. One of the rare creatures was recently caught in Australia, shocking fishermen. Awashima Marine Park/Getty Images hide caption

itoggle caption Awashima Marine Park/Getty Images

Workers prepare burritos at a Chipotle Mexican Grill in New York. The restaurant chain has stopped serving pork in about one-third of its U.S. locations. Richard Levine/Demotix/Corbis hide caption

itoggle caption Richard Levine/Demotix/Corbis

Unless there's a serious pileup, ants in traffic tend to bypass a collision and just keep going. A physicist has found a way to model this behavior with a mathematical equation. iStockphoto hide caption

itoggle caption iStockphoto

Bar-headed geese tend to follow the sharp ups and downs of the Himalayas as they migrate, research finds. John Downer/Nature Picture Library/Corbis hide caption

itoggle caption John Downer/Nature Picture Library/Corbis

The elusive Kraken wasn't seen in its natural habitat until Dr. Edith Widder came up with some innovative technology. Kraken Attack by Ben Wooten/Used with permission of Paizo Publishing hide caption

itoggle caption Kraken Attack by Ben Wooten/Used with permission of Paizo Publishing

Barotrauma can cause a fish's eyes to pop out of its head and its stomach to be pushed out of its mouth, according to Chris Lowe, a marine scientist at California State, Long Beach. Jon Hamilton/NPR hide caption

itoggle caption Jon Hamilton/NPR