The force behind scientific progress is the simple act of asking questions. This episode, TED speakers explore how a deeper and more humble style of inquiry may help achieve the next big breakthrough.

Where do stereotypes come from? Why do some perceptions persist, and is there any truth or value to the assumptions we make? In this hour, TED speakers examine the consequences of stereotypes. (Original broadcast date: November 14, 2014)

We expect a lot of our doctors, but they don't always have the best tools to treat us. This episode, TED speakers explore new ways to think about disease, diagnosis, and the delicate art of healing.

When we go online, we present a digital version of ourselves. How do we transform when we interact inside our screens? In this episode, TED speakers explore the expanding role of our "second selves." (Original broadcast date: September 18, 2015).

It's normal for us to always be glued to our screens. So how are they changing us, and how will they shape our future? This hour, TED speakers explore our ambivalent relationships with our screens. (Original broadcast date: September 11, 2015).

The five senses shape all our experience, but we still don't fully understand them. This episode, TED speakers explore how our brains make sense of sensation, and how our minds manufacture "reality."

Networks surround and sustain us, in nature, in our bodies, in relationships, in the digital world. This hour, TED speakers explore how we rely on networks and how we have the power to shape them.

From the Odyssey, to Robinson Crusoe, to Star Wars — why are we drawn to stories about heroes? And what do they tell us about ourselves? This hour, TED speakers explore what makes a hero's journey. (Original broadcast date: December 18, 2015).

In this hour, finding happiness may be simpler than you think. (Original broadcast date: February 14, 2014).

In this hour, TED speakers offer perspectives on belief from all ends of the spectrum, from atheists to the devout. (Original Broadcast Date: November 22, 2013).