About this episode
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, principal investigator of the Touch & Tickle Lab at the Donders Institute To watch this episode on video, check us out on Netflix! For show transcripts, go to vox.com/unxtranscriptsFor more, go to vox.com/unexplainableAnd please email us! unexplainable@vox.comWe read every email.Support Unexplainable (and get ad-free episodes) by becoming a Vox Member today: vox.com/membersThank you! Learn more about your ad choices. Visit podcastchoices.com/adchoices
Listen to this episode in English to learn English
Podcast episodes are one of the highest-density ways to absorb English at native pace. Why are we ticklish? from Unexplainable gives you natural dialogue, unscripted speech, and vocabulary that actually appears in real conversations.
In the Hinto app, every word in the transcript is tappable. Tap an unknown word, see the translation in your language instantly, and keep listening without breaking flow.
Episodes to Learn English
- What are you laughing at? Nov 4, 2026
- How does creativity work? Oct 26, 2026
- Spider Web 2.0 Oct 23, 2026
- The wild orchid mystery Oct 21, 2026
- An Alzheimer's breakthrough? Oct 19, 2026
- Talking with the dead Oct 14, 2026
- What’s cooler than being cool? Oct 12, 2026
- How does music move us? (feat. Sylvan Esso's Amelia Meath) Oct 7, 2026
- What color is a tennis ball? Oct 5, 2026
- The bodies buried in the bog Sep 28, 2026
- What happened to the giant bugs? Sep 23, 2026
- Dark matter and the end of answers Sep 21, 2026
- What happened before the big bang? Sep 16, 2026
- What's the oldest story ever told? Sep 14, 2026
- Stopping the science that could stop the world Sep 2, 2026
- A breakthrough in synthetic life Aug 31, 2026
- Life from scratch Aug 26, 2026
- The idea of a song Aug 24, 2026
- Why can’t I remember being a baby? Aug 19, 2026
- Can these corals take the heat? Aug 17, 2026
- Why Hank Green takes pseudoscience seriously Aug 10, 2026
- A trip to the twilight reefs Aug 5, 2026
- The hidden world that birds see Aug 3, 2026
- The Godzilla El Niño Jul 29, 2026
- An argument for the sun Jul 27, 2026
- What the Odyssey is hiding Jul 22, 2026
- Dinosaur mysteries with Riley Black Jul 20, 2026
- When doctors don't know what's wrong Jul 15, 2026
- Are you a lyric person or a music person? Jul 13, 2026
- Big news! Jul 9, 2026