Why Do Kangaroos Bounce?
ARI SHAPIRO, host:
Good morning. I'm Ari Shapiro.
If humans try to hop uphill, it's exhausting. For kangaroos it's a walk in the park. Biologists have never understood how an animal so big can be so springy. Now the BBC reports that scientists are using infrared motion-capture technology to find the answer. This technique has improved a golfer's swing and it has transformed an actor's movements into King Kong's movie performance. Now it may finally explain how the kangaroo got its bounce.
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