Hidden : TED Radio Hour 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.

TED Radio HourTED Radio Hour

Life's biggest questions, explored.

"I believe we have barely scratched the surface in terms of what's left to discover." — Sarah Parcak Brian Lasenby/iStock hide caption

toggle caption
Brian Lasenby/iStock

"I believe we have barely scratched the surface in terms of what's left to discover." — Sarah Parcak

Brian Lasenby/iStock

Hidden

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.

"Really tiny motions or really fast motions — these are things that we don't typically see with our eyes." — Abe Davis Bret Hartman/TED hide caption

toggle caption
Bret Hartman/TED

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

  • Download
  • <iframe src="https://www.npr.org/player/embed/470514319/643404353" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

"There's more history in the deep sea than all the museums in the world combined." — Robert Ballard Andrew Heavens/TED hide caption

toggle caption
Andrew Heavens/TED

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

  • Download
  • <iframe src="https://www.npr.org/player/embed/470528047/643404610" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

"[Parasites] exert this enormous influence on the world around us, they shape ecosystems and they change minds and manipulate behavior." — Ed Yong Bret Hartman/TED hide caption

toggle caption
Bret Hartman/TED

Ed Yong: Can We Fall Prey To Hidden Parasites?

  • Download
  • <iframe src="https://www.npr.org/player/embed/470535665/643446246" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

"Satellite imagery allows us to ... record information in different parts of the light spectrum ... that we simply cannot see with our human eyes." — Sarah Parcak Ryan Lash/TED hide caption

toggle caption
Ryan Lash/TED

Sarah Parcak: How Can Crowdsourcing Be A Tool For Modern Archaeological Discovery?

  • Download
  • <iframe src="https://www.npr.org/player/embed/470538090/643402323" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

"I am the first scientist to be given the shaman's blessing to study their site." — Andrés Ruzo James Duncan Davidson/TED hide caption

toggle caption
James Duncan Davidson/TED

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

  • Download
  • <iframe src="https://www.npr.org/player/embed/470560004/643407102" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

TED Radio HourTED Radio Hour

Life's biggest questions, explored.