Wednesday, May 08, 2002

There's also a definite relationship between how much any species play and the sophistication of its brain. Dinosaurs, for instance, played less than primates. Although no one has as yet advanced a theory that dinosaurs became extinct because they had a terrible sense of humour or a seven-day work-week, the implication is that play may be exceedingly adaptive.

From: Intimate play, page 15

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