Are we alone in the universe? : NPR

David Biello

About the episode

Are we alone in the universe? This hour, we’re traveling the cosmos with TED Science Curator David Biello in search of extraterrestrial life, finding out what it may look like and how we’ll know we’ve found it.

About David Biello

David Biello is a science curator at TED.

Previously, Biello was a reporter for Scientific American, where he covered environmental and energy issues. He also wrote a book, “The Unnatural World”, about how humans have changed the Earth’s climate and what can be done to create a better world for humans and other living things. He has written and hosted science documentary series including “Beyond the Light Switch” and “The Ethanol Effect”.

Biello earned his bachelor’s degree from Wesleyan University and his master’s degree in journalism from Columbia University.

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This episode of TED Radio Hour was produced by Matthew Cloutier and James Delahoussaye. It was edited by Katie Simon and Manoush Zomorodi. You can follow us on Twitter @TEDRadioHour and write to us at


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