Photo: #A woman stands in front of a wall depicting the development from ape to computer user in Hanover, Germany.

Humans vs. animals, a comparative study

Broadcast: Midmorning, 04/08/2009, 10:06 a.m.

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A writer investigates what it means to be human by considering how much she is like certain animals. One example: like people, prairie dogs have an extended vocabulary of sounds.

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with Bob Collins