TED Radio Hour

News & Information: Sun • 11am-12am | Rhythm & News: Sun • 4pm-5pm
  • Hosted by Guy Raz

A journey through fascinating ideas, astonishing inventions, and new ways to think and create. Based on riveting TED Talks from the world's most remarkable minds.

Part 4 of the TED Radio Hour episode Networks

About Robin Dunbar's TED Talk

Anthropologist Robin Dunbar believes the evolutionary structure of social networks limits us to 150 meaningful relationships at a time — even with the rise of social media

About Robin Dunbar

Part 3 of the TED Radio Hour episode Networks

About Avi Rubin's TED Talk

Computer scientist Avi Rubin says all our smart devices — cars, phones, even fitness trackers — can be hacked. He warns that our network of connected technology puts us at increased risk for cyberattacks.

About Avi Rubin

Part 2 of the TED Radio Hour episode Networks

About Wanis Kabbaj's TED Talk

Wanis Kabbaj wants traffic to flow smoothly and efficiently, like the blood in our veins. He says driverless cars may be the solution to today's highway gridlock.

About Wanis Kabbaj

How Do Trees Collaborate?

Jan 13, 2017

Part 1 of the TED Radio Hour episode Networks

About Suzanne Simard's TED Talk

Ecologist Suzanne Simard shares how she discovered that trees use underground fungi networks to communicate and share resources, uprooting the idea that nature constantly competes for survival.

About Suzanne Simard

Should We Take "The Other" To Lunch?

Dec 16, 2016

Part 5 of the TED Radio Hour episode Reconciliation

About Elizabeth Lesser's TED Talk

Elizabeth Lesser shares a simple way to begin meaningful dialogue: find someone from a totally different background — and spend a few hours with them over lunch.

About Elizabeth Lesser

Part 4 of the TED Radio Hour episode Reconciliation

About Eli Pariser's TED Talk

Eli Pariser explains why being trapped in "filter bubbles" is bad for us and bad for democracy. He says we don't get exposed to information that could challenge or broaden our worldview.

About Eli Pariser

After A Horrible Hate Crime, How Do You Not Hate Back?

Dec 16, 2016

Part 3 of the TED Radio Hour episode Reconciliation

About Suzanne Barakat's TED Talk

Suzanne Barakat speaks about the challenge of reconciling shock, anger and acceptance after her brother and sisters-in-law were murdered in an anti-Muslim hate crime.

About Suzanne Barakat

Are Insects The Future Of Food?

Nov 17, 2016

Part 5 of the TED Radio Hour episode The Food We Eat

About Marcel Dicke's TED Talk

Entomologist Marcel Dicke wants us to reconsider our relationship with insects, promoting bugs as a tasty — and ecologically sound — alternative to meat in an increasingly hungry world.

About Marcel Dicke

What Defines The Perfect Meal?

Nov 17, 2016

Part 4 of the TED Radio Hour episode The Food We Eat

About Charles Spence's TED Talk

Professor Charles Spence studies what makes for a great eating experience. He says it's far more dependent on 'the everything else' that surrounds the meal, rather than the food itself.

About Charles Spence

How Worried Should We Be About Sugar?

Nov 17, 2016

Part 3 of the TED Radio Hour episode The Food We Eat

About Robert Lustig's TED Talk

Sugar is a major culprit in diseases such as obesity, diabetes and dementia—and because it's in almost everything we consume, Dr. Robert Lustig says it's time to get more proactive.

About Robert Lustig

Are We Wrong To Think We're Right?

Nov 4, 2016

Part 4 of the TED Radio Hour episode Democracy On Trial

About Julia Galef's TED Talk

Our biases lead us to amend the facts. Writer Julia Galef explains how we can have better judgement by developing more empathy and testing our own beliefs.

About Julia Galef

Part 3 of the TED Radio Hour episode Democracy On Trial

About Sayu Bhojwani's TED Talk

Sayu Bhojwani urges her fellow immigrants to participate and find their own power in the political process in order to make democracy stronger.

About Sayu Bhojwani

How Can We Solve Democracy's Problems?

Nov 4, 2016

Part 5 of the TED Radio Hour episode Democracy On Trial

About Jonathan Tepperman's TED Talk

After immersing himself in the politics of Brazil, Canada, Indonesia, and many other countries, Jonathan Tepperman emerges with an optimistic view: democracy is remarkably pliant — and resilient.

About Jonathan Tepperman

Can A Place Still Be Home Even After Becoming Toxic?

Oct 21, 2016

Part 6 of the TED Radio Hour episode Toxic

About Holly Morris's TED Talk

Even thirty years after the devastating nuclear accident in Chernobyl, there are still people who call the place home. Filmmaker Holly Morris tells the stories of the mostly elderly women who decided to stay despite the toxicity.

About Holly Morris

How Does Our Brain Get Rid Of Toxins?

Oct 21, 2016

Part 4 of the TED Radio Hour episode Toxic

About Jeff Iliff's TED Talk

Neuroscientist Jeff Iliff talks about his research, which explores how the brain naturally flushes out toxins during sleep.

About Jeff Iliff

How Can Your Home Make You Sick?

Oct 21, 2016

Part 5 of the TED Radio Hour episode Toxic

About Rishi Manchanda's TED Talk

When Dr. Rishi Manchanda worked in a clinic in South Central Los Angeles, he saw that patients were getting sick because of toxic living conditions — so he tried a unique treatment approach.

About Rishi Manchanda

How Can Dinosaurs Help Us Understand Our Own Species?

Sep 30, 2016

Part 4 of the TED Radio Hour episode Anthropocene

About Kenneth Lacovara's TED Talk

Earth's rocks and fossils can help us understand our own species. Paleontologist Kenneth Lacovara says there's "no doubt" that humans' impact on Earth will show up in the geological record.

About Kenneth Lacovara

Are We Headed Into Another Mass Extinction?

Sep 30, 2016

Part 3 of TED Radio Hour episode Anthropocene

About Peter Ward's TED Talk

At various times, life on earth has come close to being erased. Paleontologist Peter Ward explains what we can learn from previous mass extinctions

About Peter Ward

What's The Anthropocene?

Sep 30, 2016

Part 1 of the TED Radio Hour episode Anthropocene

About Kenneth Lacovara's TED Talk

Have we entered a new age defined by humans? Paleontologist Kenneth Lacovara says there's "no doubt" that humans' impact on Earth will show up in the geological record.

About Kenneth Lacovara

Part 2 of the TED Radio Hour episode Big Data Revolution

About Riccardo Sabatini's TED Talk

The human genome is a complex code that contains all the data that makes a person. Scientist Riccardo Sabatini says we have the power to read this code, predicting things like height, eye color, age — all from a vial of blood.

About Riccardo Sabatini

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