How brass instruments work - Al Cannon

5 ways to kill your dreams | Bel Pesce

The next outbreak? We’re not ready | Bill Gates | TED

Boniface Mwangi: The day I stood up alone

Are China and the US doomed to conflict? | Kevin Rudd

Alison Killing: There’s a better way to die, and architecture can help

Dame Stephanie Shirley: Why do ambitious women have flat heads?

Dave Isay: Everyone around you has a story the world needs to hear

What did democracy really mean in Athens? - Melissa Schwartzberg

How we teach computers to understand pictures | Fei Fei Li

Where did Earth’s water come from? - Zachary Metz

The price of shame | Monica Lewinsky | TED

Can robots be creative? - Gil Weinberg

Plato’s Allegory of the Cave - Alex Gendler

Shimpei Takahashi: Play this game to come up with original ideas

Ismael Nazario: What I learned as a kid in jail

Why the buildings of the future will be shaped by ... you | Marc Kushner

Sangu Delle: In praise of macro -- yes, macro -- finance in Africa

Andy Yen: Think your email's private? Think again

Why sitting is bad for you - Murat Dalkilinç

Harry Baker: A love poem for lonely prime numbers

Topher White: What can save the rainforest? Your used cell phone

Rhythm in a box: The story of the cajon drum - Paul Jennings

How does the thyroid manage your metabolism? - Emma Bryce

Helder Guimarães: A magical search for a coincidence

The law of conservation of mass - Todd Ramsey

Romina Libster: The power of herd immunity (with English subtitles) | TED

Did Shakespeare write his plays? - Natalya St. Clair and Aaron Williams

Rob Knight: How our microbes make us who we are

The last banana: A thought experiment in probability - Leonardo Barichello

Angelo Vermeulen: How to go to space, without having to go to space

What does the pancreas do? - Emma Bryce

Laura Boushnak: For these women, reading is a daring act

How childhood trauma affects health across a lifetime | Nadine Burke Harris | TED

How to practice emotional first aid | Guy Winch | TED

The mathematics of love | Hannah Fry

Kenneth Shinozuka: My simple invention, designed to keep my grandfather safe

Ricardo Semler: Radical wisdom for a company, a school, a life

The sonic boom problem - Katerina Kaouri

Jaap de Roode: How butterflies self-medicate

How do your kidneys work? - Emma Bryce

Brian Dettmer: Old books reborn as intricate art

Tom Wujec: Got a wicked problem? First, tell me how you make toast

Why do we have museums? - J. V. Maranto

Why are some people left-handed? - Daniel M. Abrams

Pop an ollie and innovate! | Rodney Mullen | TED

How do dogs "see" with their noses? - Alexandra Horowitz

Bassam Tariq: The beauty and diversity of Muslim life