Why are we ticklish?

Socrates, Aristotle, Galileo, and Darwin couldn't figure it out. But one scientist has built a tickle robot (named Hektor) to try and settle the mystery of ticklishness once and for all.

Guest: Konstantina Kilteni (kiltenilab.org/konstantinakilteni), principal investigator of the Touch & Tickle Lab at the Donders Institute

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