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.

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

Last 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 So, why exactly can't Mitch McConnell, Paul Ryan, and Donald Trump get Obamacare repealed.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...

Hong Kong and Shenzhen are each racing to finish multi-billion dollar mega-bridges across the Pearl River Delta to take advantage of inexpensive land and labor costs on the western side.

A straightforward explanation of Climate Change: the heat from human emissions is roughly equal to exploding 400,000 Hiroshima atomic bombs every day. Historically, every time carbon dioxide levels increase in Earth's atmosphere, the...

An animated video infographic showing every terrorist attack with more than 20 deaths between 1/12/2000 and 11/13/2015.

Why Senator Bernie Sanders lost the nomination to Hillary Clinton.

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

The 10 highest scoring nations on the Global Connectivity Index.

Gandhi gains power and leads India's independence movement. Part 4 of our timeline of the greatest revolutions in history--moments that shaped modern civilization.

These are the top 10 countries threatened by the 6 meter sea level rise we are almost guaranteed to see in the not-too-distant future, according to the projected pace of global warming and ice melt in Greenland and Antarctica.

The many lies and truths told by Donald Trump and Hillary Clinton in the first 2016 U.S. presidential debate.

Donald John Trump was born in 1946 in Queens, New York. He’s been wealthy his entire life. His father, Fred Trump built a very successful real estate development business in the New York area...

Scientists have confirmed Albert Einstein's 100 year-old theory of gravitational waves, detected using a massive system of instruments called the Laser Interferometer Gravitational-wave Observatory (LIGO).

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.