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

Ilona Szabó de Carvalho: 4 lessons I learned from taking a stand against drugs and gun violence

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

Why sitting is bad for you - Murat Dalkilinç

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

Jon Gosier: The problem with "trickle-down techonomics"

Ben Wellington: How we found the worst place to park in New York City — using big data

Khalida Brohi: How I work to protect women from honor killings

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

James A. White Sr.: The little problem I had renting a house

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

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

History vs. Richard Nixon - Alex Gendler

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

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

Jaap de Roode: How butterflies self-medicate

Brian Dettmer: Old books reborn as intricate art

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

Bruce Aylward: Humanity vs. Ebola. The winning strategies in a terrifying war

Bassam Tariq: The beauty and diversity of Muslim life

Khadija Gbla: My mother’s strange definition of empowerment TED

The danger of hiding who you are | Morgana Bailey

Joe Madiath: Better toilets, better life

Sarah Bergbreiter: Why I make robots the size of a grain of rice

Matthieu Ricard: How to let altruism be your guide

Cristina Domenech: Poetry that frees the soul (with English subtitles) | TED

Robert Muggah: How to protect fast-growing cities from failing

Robert Swan: Let's save the last pristine continent

How spontaneous brain activity keeps you alive - Nathan S. Jacobs

Navi Radjou: Creative problem-solving in the face of extreme limits

How do vaccines work? - Kelwalin Dhanasarnsombut

Tasso Azevedo: Hopeful lessons from the battle to save rainforests

For more tolerance, we need more ... tourism? | Aziz Abu Sarah

Daniele Quercia: Happy maps

The benefits of a good night's sleep - Shai Marcu

See invisible motion, hear silent sounds. Cool? Creepy? We can't decide | Michael Rubinstein

What is a gift economy? - Alex Gendler

Erin McKean: Go ahead, make up new words!

Trash cart superheroes | Mundano

Bruno Torturra: Got a smartphone? Start broadcasting