TED Radio Hour: Hidden

March 24, 2016
Brian Lasenby/iStock

, What lies beyond the reach of the naked eye, and how do these hidden forces shape our lives? This hour, TED speakers reveal forgotten cities, underwater canyons, tiny parasites, and a boiling river.

1. Abe Davis: How Can Hidden Sounds Be Captured By Everyday Objects

2. Robert Ballard: What Hidden Underwater Worlds Are Left To Discover?

3. Ed Yong: Can We Fall Prey To Hidden Parasites?

4. Sarah Parcak: How Can Satellite Images Unlock Secrets To Our Hidden Past?

5. Andrés Ruzo: Could A Boiling River From A Childhood Legend Exist?

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