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.
A new study suggests using the term psychopath adds an average of five years to criminal sentences. But once a biological explanation was included, the length of the sentence dropped. In other words, our sympathy for the idea that biology might be responsible for criminal behavior is powerful.
What could be worse than a ruptured pipeline of crude oil? A ruptured pipeline of tar sands oil — a thick, sticky substance. Cleanup of a 2010 spill in Michigan's Kalamazoo River took much longer and was far harder than anyone had anticipated. It's now a cautionary tale for people in the middle of the new Keystone pipeline's path.
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.
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