What can happy rats teach us about human joy? Behavioral neuroscientist Kelly Lambert describes how her team trained rats to drive tiny cars to earn treats — and noticed something surprising about how effort and anticipation affect the brain. The experiment opens new questions about how reward, agency and “behaviorceuticals” might help build resilience and support mental health.

Kenyan music duo Akoth Jumadi and MR. LU* fuse tribal roots with cosmic trap and celestial R&B, creating a hypnotic sound where ancient rhythms meet the future. (Recorded at TED Countdown Summit 2025 on June 18, 2025)

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The TED Talks channel features the best talks and performances from the TED Conference, where the world’s leading thinkers and doers give the talk of their lives in 18 minutes (or less) — plus originals, podcasts and exclusive content. Look for videos on Technology, Entertainment and Design as well as science, business, global issues, the arts and more. Visit for our entire library, transcripts, translations and personalized recommendations.

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Multihyphenate entertainer Keke Palmer has mastered the art of performing — on stage and off. But she realized the skills that carried her family out of poverty might be the very thing keeping her trapped. In this powerful talk, she unpacks the hidden cost of hyper-functioning and what it really means to stop acting and start living. (Recorded at TED2026 on April 17, 2026)

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The TED Talks channel features the best talks and performances from the TED Conference, where the world’s leading thinkers and doers give the talk of their lives in 18 minutes (or less) — plus originals, podcasts and exclusive content. Look for videos on Technology, Entertainment and Design as well as science, business, global issues, the arts and more. Visit for our entire library, transcripts, translations and personalized recommendations.

Watch more:

TED videos may be used for non-commercial purposes under a Creative Commons License, Attribution–Non Commercial–No Derivatives (or the CC BY – NC – ND 4.0 International) and in accordance with the TED Talks Usage Policy: . For more information on using TED for commercial purposes (e.g. employee learning, in a film or online course), submit a request at

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