How Monkeys Teach Tool Use

Macaque mothers demonstrate tool use to their young

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How do baby monkeys learn to use tools? Apparently through lessons from mom, according to new findings that suggest education is a very ancient trait in the primate lineage. Long-tailed macaques near an old Buddhist shrine in Lopburi, Thailand, often pull hair from female tourists for use as dental floss. When female monkeys see their young watching them, they exaggerate their flossing. Primatologists at Kyoto University and their colleagues note that such overemphasis is much like what human mothers do when teaching infants, dubbed “motion­ese” by behavior scientists (after “motherese,” or baby talk).

Note: This article was originally printed with the title, "Monkey Education."

Charles Q. Choi is a frequent contributor to Scientific American. His work has also appeared in The New York Times, Science, Nature, Wired, and LiveScience, among others. In his spare time, he has traveled to all seven continents.

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