Explore the science of autism -- and listen to the stories of people who live with it.

From the Arab Spring to the emerging democracies of Eastern Europe, a new generation of freedom fighters -- entrepreneurs, journalists, activists -- shares powerful stories of resistance against dictatorships and oppression.

Stressed about what you want to study? Let these guide you down a path of inspiration and passion in fields from mathematics to space archaeology.

Music is a fundamental aspect of humanity -- so exactly how does it impact us? These talks offer a wonderful look at our fascinating relationship with the music we make.

We need to talk about war. These powerful, crucial talks come from soldiers, politicians, journalists and others who've seen the reality of war firsthand.

Your weather report: Clear, sunny skies, mild temperatures and a 100 percent chance of atmospheric TED Talks.

For all those days you've ever checked the clock and thought, "Where did the last hour go?" These talks share helpful hacks for stealing back a few seconds, minutes or even hours from your busy workday.

A treat for your mind and your eyeballs.

We all know about the climate crisis. We all want to stay informed — but the information can be overwhelming. Watch these talks to hear what’s at stake and find out what's being done.

Thoughtful, actionable TED talks on how we might transform a seemingly impossible problem into a solvable one.

Some hackers wreak havoc online, but others are working to create a better internet. Sociologists, journalists and hackers themselves speak up.

What captured our imaginations and sparked hope for a better tomorrow? As we close out 2021, here's a wide-ranging list of the talks that stood out and stayed with us this year, selected by the editorial team at TED.

We still have a lot to learn about climate change, about why it's happening and what that means. But one thing is clear: It's real, alright. These talks provide a primer on the issue of our times.