Grammy-winning musician Jacob Collier has a name for the feeling that moves through a great piece of music: the wiggle. Watch him break down the idea into its three parts — melody, rhythm and harmony — with nothing but his own voice, a grand piano and Louis Armstrong’s “What a Wonderful World.” Turns out life, like music, was never made to run in straight lines.

Can a five-minute walk change how you feel all day? Exercise scientist Keith Diaz shows how your body is built for the kind of movement that modern life has quietly erased — and suggests something refreshingly doable: making time for small doses of movement sprinkled throughout the day, as a way to boost your brain and body.

3D printing promised to reinvent how we make things, but it’s mostly stuck producing prototypes with a high level of waste. Designer and TED Fellow Schendy Kernizan found a different way — by printing objects directly into a tub of gel. He explains how this technique eliminates the constraints of gravity, pushing the limits of how we can manufacture objects across medicine, fashion, space travel and more. (Recorded at TED Fellows Films 2026 on April 14, 2026)

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