We should aim for perfection -- and stop fearing failure | Jon Bowers

How do fish make electricity? - Eleanor Nelsen

Why wildfires have gotten worse -- and what we can do about it | Paul Hessburg

Inés Hercovich: Why women stay silent after sexual assault (with English subtitles) | TED

For the love of birds | Washington Wachira

Dark L vs Light L | English Pronunciation Masterclass

History vs. Che Guevara - Alex Gendler

The global learning crisis -- and what to do about it | Amel Karboul

The surprisingly charming science of your gut | Giulia Enders

5 Tips for English Greetings and Responses - How to Ask and Answer "How are you?"

Nnedi Okorafor: Sci-fi stories that imagine a future Africa | TED

How to win at evolution and survive a mass extinction | Lauren Sallan

What is the tragedy of the commons? - Nicholas Amendolare

Can we stop climate change by removing CO2 from the air? | Tim Kruger

Shonda Rhimes and Cyndi Stivers: The future of storytelling | TED

English Greetings and Introductions - Spoken English

We're building a dystopia just to make people click on ads | Zeynep Tufekci

The awful logic of land mines -- and an app that helps people avoid them | Carlos Bautista

How we'll earn money in a future without jobs | Martin Ford

The complicated history of surfing - Scott Laderman

How diversity makes teams more innovative | Rocío Lorenzo | TED

Why I risked my life to expose a government massacre | Anjan Sundaram

What it's like to be a woman in Hollywood | Naomi McDougall Jones

The myth of Prometheus - Iseult Gillespie

English Pronunciation Masterclass | Sentence Stress

A pro wrestler's guide to confidence | Mike Kinney

The powerful stories that shaped Africa | Gus Casely-Hayford

A precise, three-word address for every place on earth | Chris Sheldrick

Portraits that transform people into whatever they want to be | Uldus Bakhtiozina

Why incompetent people think they're amazing - David Dunning

The new age of corporate monopolies | Margrethe Vestager

Can you solve the egg drop riddle? - Yossi Elran

We can hack our immune cells to fight cancer | Elizabeth Wayne

How we can end sexual harassment at work | Gretchen Carlson

How many verb tenses are there in English? - Anna Ananichuk

What's hidden under the Greenland ice sheet? | Kristin Poinar

The forgotten art of the zoetrope | Eric Dyer

Why jobs of the future won't feel like work | David Lee

Weak Forms - How to Pronounce Weak Forms in English

How I became an entrepreneur at 66 | Paul Tasner

Why should you read "Macbeth"? - Brendan Pelsue

Electrical experiments with plants that count and communicate | Greg Gage

How to make your writing suspenseful - Victoria Smith

10 Different Ways to Say 'THANK YOU' in English

How Africa can use its traditional knowledge to make progress | Chika Ezeanya-Esiobu

How to seek truth in the era of fake news | Christiane Amanpour

The revolutionary power of diverse thought | Elif Shafak

A global food crisis may be less than a decade away | Sara Menker