Over the weekend, we asked the TED community on Facebook this question: "If you wanted to show a TEDTalk to open the school year, which one would you choose?" It's inspired by a question tweeted from the #jed21 conference. On Facebook, almost 1,000 responses flowed in. The job of tallying the results -- given in freeform comments -- fell to our...

Roy Bahat was worried. His company invests in new technology like AI to make businesses more efficient -- but, he wondered, what was AI doing to the people whose jobs might change, go away or become less fulfilling? The question sent him on a two-year research odyssey to discover what motivates people, and why we work. In this conversation with ...

Bernie Krause's legendary soundscapes uncover nature’s rich sonic tapestry -- along with some unexpected results.

Journalist and photographer Bruno Torturra is the face of Media Ninja, a Brazilian digital collective making headlines for its ability to cover big news as it happens.

Dave Brain studies the plasma environments and atmospheres of unmagnetized planets.

Physicist Brian Cox has two jobs: working with the Large Hadron Collider at CERN, and explaining big science to the general public. He's a professor at the University of Manchester.

Tim Brown is the CEO of the "innovation and design" firm IDEO -- taking an approach to design that digs deeper than the surface.

Britain's former prime minister Gordon Brown played a key role in shaping the G20 nations' response to the world's financial crisis, and was a powerful advocate for a coordinated global response to problems such as climate change, poverty and social justice.

Brian Goldman is an emergency-room physician in Toronto, and the host of CBC Radio’s "White Coat, Black Art."

Casey Brown wants people to be paid well for their excellence.

Bryn Freedman helps those who want to give the "talk of their lives" in a clear, passionate and authentic way.

With beguiling feats of mind reading and suggestion, Derren Brown explores psychological manipulation and its implications for the human experience.

In her book "Gamestorming," Sunni Brown shows how using art and games can empower serious problem-solving.

Mike Brown scans the skies searching for and intensely studying distant bodies in our solar system in the hope of gaining insight into how our planet and the planets around it came to be.

Bruno Giussani is the Global Curator of TED and President of FIFDH, the Geneva International Film Festival and Forum on Human Rights.

Play invites creativity and collaboration, and can inspire you to think out of the box! Take a recess and learn about the benefits of connecting with your inner-child.

Camille A. Brown leads her dance company through excavations of ancestral stories, both timeless and traditional, that connect history with contemporary culture.

Melinda Briana Epler works with the tech industry to solve diversity and inclusion together.

TED Senior Fellow Burçin Mutlu-Pakdil studies extreme objects -- including a rare double-ringed elliptical galaxy she discovered -- to help us understand how galaxies form and evolve.

A celebration of time spent in good company. (Sorry extroverts -- we love you, too.)

Infertility affects 1 in 8 couples worldwide. But in the last 40 years, more than 5 million babies have been born using in vitro fertilization (IVF). How does it work? Nassim Assefi and Brian A. Levine detail the science behind making a baby in a lab.

Learning doesn't end when you throw your graduation cap in the air. These talks celebrate education beyond the classroom.

A year in reflection of what we learned about our personalities, health, hopes and world as we know it.

A list of the talks mentioned in TED Talks: The Official TED Guide to Public Speaking. Chris Anderson's comments on each talk (in the grey italics) indicate why they were included in the book. Use the book index for more info.

Huge ideas from physics.

Get back to nature with these talks from the wilder side of life.

Sometimes, everyone’s a lot. These talks celebrate those moments when you just want to enjoy your own company.

Learn about the amazing science behind some of the most awe-inspiring things in the world (and beyond).

Learn how these microorganisms influence everything from the air we breathe and how healthy we are, to forming life itself.

With TED-Ed communicator Emilie Soffe as the leading lady, the TED staff puts on a show.