Marina Davilla Ross

Jun. 05, 2009

Tickling Gorillas and the Evolution of Laughter

Researchers have tickled gorillas, bonobos, chimps and humans in an effort to understand the evolution of laughter in the primate world.

laughter, tickling, evolution, primates

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Michael Pollan Talks Plants and Food

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Oliver Sacks: Hallucinations

In his latest book, neurologist Oliver Sacks explores the strange world of hallucinations, and documents his own experiments with psychedelic drugs.

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