Shweta Narayan: It's impossible to have healthy people on a sick planet | TED Countdown

Joshua Chu-Tan: The science of preserving sight | TED

Jack Dangermond: An ever-evolving map of everything on Earth | TED Countdown

Nemonte Nenquimo: The forest is our teacher. It's time to respect it | TED Countdown

John Doerr and Ryan Panchadsaram: An action plan for solving the climate crisis | TED Countdown

Why doesn't everyone have a jetpack? - Richard Browning

Jamil Zaki: How to escape the cynicism trap | TED

What is “normal” and what is “different”? - Yana Buhrer Tavanier

Nili Gilbert: The crucial intersection of climate and capital | TED Countdown

Tim Dunn: How we're reducing the climate impact of electronics | In The Green

Derek Sarno: The many reasons to eat a plant-based diet | TED Countdown

Jane Walsh: The rise of predatory scams -- and how to prevent them | TED

Candace Parker: How to break down barriers and not accept limits | TED

Jennifer Aaker and Naomi Bagdonas: Why great leaders take humor seriously | TED

The myth of Gawain and the Green Knight - Dan Kwartler

Nicola Sturgeon: How small countries can make a big impact on climate change | TED Countdown

Aicha Evans: Your self-driving robotaxi is almost here | TED

Can you outsmart the fallacy that divided a nation? - Elizabeth Cox

Farwiza Farhan: The powerful women on the front lines of climate action | TED Countdown

Katie McGinty: Smart solutions to decarbonize buildings | In the Green

Larry Irvin: A program to empower Black teachers in the US | TED

The myth of Anansi, the trickster spider - Emily Zobel Marshall

Josh Giegel: Super speed, magnetic levitation and the vision behind the hyperloop | TED

Chibeze Ezekiel: A vision for sustainable energy in Africa | TED Countdown

Which animal has the best eyesight? - Thomas W. Cronin

Naima Penniman: "Being Human" | TED Countdown

Children of Palau: Leave only footprints that will wash away | TED Countdown

Gavin McCormick: Tracking the whole world's carbon emissions -- with satellites & AI | TED Countdown

Coya Paz Brownrigg: The haunting truth of ghost stories | TED

Can you solve the birthday cake riddle? - Marie Brodsky

Karoli Hindriks: Why the passport needs an upgrade | TED

Rebecca Galemba: How employers steal from workers -- and get away with it | TED

The tragic myth of the Sun God's son - Iseult Gillespie

Hongqiao Liu: Can China achieve its ambitious climate pledges? | TED Countdown

Tzeporah Berman: The bad math of the fossil fuel industry | TED Countdown

Ilissa Ocko: The fastest way to slow climate change now | TED Countdown

Why do cats have vertical pupils? - Emma Bryce

Trebor Scholz: Stuck in the gig economy? Try platform co-ops instead | TED

Jeff Dean: AI isn't as smart as you think -- but it could be | TED

Why is it so hard to escape poverty? - Ann-Helén Bay

Charlotte Degot: A more accurate way to calculate emissions | TED

The myth of Loki’s monstrous children - Iseult Gillespie

Why is the Mona Lisa so famous? - Noah Charney

Welcome to English with Jennifer! Let's build fluency.

Amina J. Mohammed: A new perspective on the journey to net-zero | TED Countdown

Nithya Ramanathan: The problem of vaccine spoilage -- and a smart sensor to help | TED

How Much Clean Electricity Do We Really Need? | Solomon Goldstein-Rose | TED Countdown

Chris Bennett: A close-to-home solution for accessible childcare | TED