Science

Space
9:09 am
Fri July 12, 2013

Mysterious Radio Bursts, Sent From Deep Space

Reporting in Science, researchers write of discovering four radio bursts from outer space. Physicist Duncan Lorimer, who detected the first such explosion in 2007, discusses what could be causing these radio signals, such as evaporating black holes, an idea proposed by Stephen Hawking in the 1970s.

Health
9:09 am
Fri July 12, 2013

Surf's Up for Pathogenic Viruses and Bacteria, Too

A day at the shore can leave beachgoers with more than a sunburn — a gulp of seawater can expose swimmers to disease-causing microbes like norovirus, salmonella, and adenovirus. Marine scientist Rachel Noble and environmental medicine researcher Samuel Dorevitch discuss the risk, and what's being done to limit swimmers' exposure.

Environment
9:09 am
Fri July 12, 2013

Tracking Shifting Sands Along the Nation's Coast

As New Yorkers braced themselves for Hurricane Sandy, coastal geologist Cheryl Hapke was out surveying Fire Island, a barrier island off the Long Island coast. Days later, Hapke was back to document the hurricane's effects and found a breach cutting the island in two. Now locals and scientists are debating whether the inlet should be filled in or left as nature intended.

TED Radio Hour
8:51 am
Fri July 12, 2013

Why We Collaborate

How do you channel mass chaos into order?
Joos Mind Getty Images

Originally published on Tue December 17, 2013 8:53 am

What motivates dozens, thousands, even millions of people to come together on the Internet and commit their time to a project for free? In this hour, TED speakers unravel ideas behind the mystery of mass collaborations that build a better world.

Copyright 2013 NPR. To see more, visit http://www.npr.org/.

Transcript

SCOTT SIMON, HOST:

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TED Radio Hour
8:51 am
Fri July 12, 2013

Why Does Wikipedia Work?

Jimmy Wales, the founder of Wikipedia, speaking at TED.
Robert Leslie TED

Originally published on Fri May 16, 2014 8:47 am

Part 1 of the TED Radio Hour episode Why We Collaborate.

About Jimmy Wales' TEDTalk

Founder of Wikipedia Jimmy Wales recalls how he assembled "a ragtag band of volunteers," gave them tools for collaborating to create a self-organizing, self-correcting, never-finished online encyclopedia.

About Jimmy Wales

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