While news from Iran streams to the world, Clay Shirky shows how Facebook, Twitter and TXTs help citizens in repressive regimes to report on real news, bypassing censors (however briefly). The end of top-down control of news is changing...

Jacqueline Novogratz tells a moving story of an encounter in a Nairobi slum with Jane, a former prostitute, whose dreams of escaping poverty, of becoming a doctor and of getting married were fulfilled in an unexpected way.

Why do some people struggle more than others to keep off the pounds? Social psychologist Emily Balcetis shows research that addresses one of the many factors: our vision. In an informative talk, she shows how when it comes to fitness,...

Nate Silver has data that answers big questions about race in politics. For instance, in the 2008 presidential race, did Obama's skin color actually keep him from getting votes in some parts of the country? Stats and myths collide in...

We often think of bias and prejudice as rooted in ignorance. But as psychologist Paul Bloom seeks to show, prejudice is often natural, rational ... even moral. The key, says Bloom, is to understand how our own biases work -- so we can...

In which John Green teaches you about recent history. By which we mean VERY recent history. John covers the end of George W. Bush's administration presidency of Barack Obama (so far). Some people would say, "It's too soon to try to...

Just like the myth that plucking one gray hair will make three sprout, stress making your hair white isn't actually a thing. Or is it?!

Barack Obama was the first Black man elected President in the United States in 2008. In this episode, Clint Smith will explore the early life, political career, presidential campaign, and legislative milestones of Barack Obama.

New ReviewObama claimed aliens exist - but shot down a conspiracy theory.Source: Lumen / The Independent

New ReviewLast week, Republicans in the Senate didn't quite manage to repeal and/or replace the Affordable Care Act. So, why exactly can't Mitch McConnell, Paul Ryan, and Donald Trump get Obamacare repealed. For one thing, Susan Collins and Lisa...

Why Senator Bernie Sanders lost the nomination to Hillary Clinton.

Pope Francis -- Jorge Mario Bergoglio -- was born in Buenos Aires, Argentina in 1936 and is the eldest of five children.

The life and career of Bernie Sanders, the independent US Senator from Vermont who is running for the Democratic Party's 2016 presidential nomination against Hillary Clinton.

Explaining what the historic Paris Climate Change deal does and what it means for the world.

The leadership of Nicolás Maduro has brought Venezuela to the verge of revolution as its mismanaged economy collapses.

Dictators are overthrown in part 6 of our epic journey through the revolutions that set the power dynamics of our modern civilization.

The U.S. and China will likely be the two most influential countries for the rest of the 21st century. This is how people in 40 countries around the world currently view the two nations across a variety of global issues, according to a...

By nearly every metric, Donald Trump's vision is wrong, the United States of America is already great. This data-driven analysis shows why.

The 10 highest scoring nations on the Global Connectivity Index.

Ten infrastructure mega-projects America needs President Donald Trump and congress to fund and build in the near future.

A flyover simulation of what the world's major cities will look like after the climate warms two to four degrees and the oceans rise dozens of feet/meters.

America's ten most (and least) religious states, compared.

An examination of President Barack Obama's achievements over his two terms in office.

From land to sea to space, scientists are using incredible tools to make new discoveries. These are the ten largest instruments in use around the world.