By tricking live fish into attacking computer-generated "prey," scientists have learned that animals like birds and fish may indeed have evolved to swarm together to protect themselves from the threat of predators.
The Discovery Channel's annual "Shark Week" is one of the longest running events on cable television. After 25 years on the air, it's become an American icon of sorts. "Shark Week" executive producer Brooke Runnette explains how the team keeps the shows exciting year after year.
The Maryland legislature may have finally reached an agreement on gambling, but they left a bill on the table Tuesday that would have dealt with the labeling of pit bulls an inherently dangerous breed of dog.
Researchers at the University of Georgia, working with the National Geographic Society, are revealing the hidden lives of cats. Small video cameras on the necks of dozens of domestic cats show surprising hunting habits, and cats cheating on their owners. Melissa Block talks with wildlife ecologist Kerrie Anne Loyd.
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