Naomi Oreskes: Why we should trust scientists

Lorrie Faith Cranor: What's wrong with your pa$$w0rd?

Attack of the killer algae - Eric Noel Muñoz

Shaka Senghor: Why your worst deeds don't define you | TED

What gives a dollar bill its value? - Doug Levinson

Learn English Grammar: The Sentence

Billy Collins: Two poems about what dogs think (probably)

Jamila Lyiscott: 3 ways to speak English | TED

Why aren't we only using solar power? - Alexandros George Charalambides

Learn English Tenses: PRESENT PERFECT and PAST SIMPLE

How to make hard choices | Ruth Chang

Anne Curzan: What makes a word "real"?

How bees help plants have sex - Fernanda S. Valdovinos

Learn English Vocabulary: Beauty and Makeup

Kwame Anthony Appiah: Is religion good or bad? (This is a trick question)

A brief history of religion in art - TED-Ed

The world's largest family reunion ... we're all invited! | A.J. Jacobs

Uri Alon: Why truly innovative science demands a leap into the unknown

Tycho Brahe, the scandalous astronomer - Dan Wenkel

Will Potter: The shocking move to criminalize nonviolent protest

Hackers: the internet's immune system | Keren Elazari

Why do honeybees love hexagons? - Zack Patterson and Andy Peterson

I'm not your inspiration, thank you very much | Stella Young

The colossal consequences of supervolcanoes - Alex Gendler

Yoruba Richen: What the gay rights movement learned from the civil rights movement

Robert Full: The secrets of nature's grossest creatures, channeled into robots

How to choose your news - Damon Brown

Stephen Burt: Why people need poetry

The psychology of your future self | Dan Gilbert

The Silk Road: Connecting the ancient world through trade - Shannon Harris Castelo

Ray Kurzweil: Get ready for hybrid thinking

How does your brain respond to pain? - Karen D. Davis

Sting: How I started writing songs again

Stephen Friend: The hunt for "unexpected genetic heroes"

A glimpse of life on the road | Kitra Cahana

The strange story of the teddy bear and what it reveals | Jon Mooallem

How languages evolve - Alex Gendler

A digital reimagining of Gettysburg - Anne Knowles

Sebastian Junger: Why veterans miss war

Wes Moore: How to talk to veterans about the war

Chris Kluwe: How augmented reality will change sports ... and build empathy

The fundamentals of space-time: Part 3 - Andrew Pontzen and Tom Whyntie

How the worst moments in our lives make us who we are | Andrew Solomon

Jackie Savitz: Save the oceans, feed the world!

How the heart actually pumps blood - Edmond Hui

English Travel Vocabulary: Planning a Trip

Why good leaders make you feel safe | Simon Sinek | TED

The cancer gene we all have - Michael Windelspecht