The enchanting music of sign language | Christine Sun Kim

How I Teach Kids to Love Science | Cesar Harada | TED Talks

Would you opt for a life with no pain? - Hayley Levitt and Bethany Rickwald

How to write descriptively - Nalo Hopkinson

An Internet Without Screens Might Look Like This | Tom Uglow | TED Talks

What would happen if you didn’t sleep? - Claudia Aguirre

Meklit Hadero: The unexpected beauty of everyday sounds | TED

How stress affects your brain - Madhumita Murgia

How mucus keeps us healthy - Katharina Ribbeck

Home Is a Song I've Always Remembered | Teitur | TED Talks

Design at the Intersection of Technology and Biology | Neri Oxman | TED Talks

How computers translate human language - Ioannis Papachimonas

How stress affects your body - Sharon Horesh Bergquist

Why do women have periods?

Alzheimer’s Is Not Normal Aging — And We Can Cure It | Samuel Cohen | TED Talks

4 Powerful Poems about Parkinson's and Growing Older | Robin Morgan | TED Talks

Where does gold come from? - David Lunney

Falling in love is the easy part | Mandy Len Catron

3 tips to boost your confidence - TED-Ed

What "Orwellian" really means - Noah Tavlin

The way we think about work is broken | Barry Schwartz

How memories form and how we lose them - Catharine Young

The treadmill's dark and twisted past - Conor Heffernan

What makes the Great Wall of China so extraordinary - Megan Campisi and Pen-Pen Chen

A journey through the mind of an artist | Dustin Yellin

The mathematical secrets of Pascal’s triangle - Wajdi Mohamed Ratemi

How to Avoid Surveillance...With Your Phone | Christopher Soghoian | TED Talks

Do animals have language? - Michele Bishop

My Inner Life with Asperger's | Alix Generous | TED Talks

How false news can spread - Noah Tavlin

Bring TED to the classroom with TED-Ed Clubs

Could We Cure HIV with Lasers? | Patience Mthunzi | TED Talks

Who am I? A philosophical inquiry - Amy Adkins

The benefits of good posture - Murat Dalkilinç

Solid, liquid, gas and … plasma? - Michael Murillo

Why humans run the world | Yuval Noah Harari | TED

Street Art for Hope and Peace | eL Seed | TED Talks

How blood pressure works - Wilfred Manzano

Jackie Tabick: The balancing act of compassion

Nellie McKay: "Clonie"

Rachelle Garniez and Thomas Dolby: "La Vie en Rose"

Nora York: Singing "What I Want"

McKenna Pope: Want to be an activist? Start with your toys

Where did English come from? - Claire Bowern

Amy Purdy: Living beyond limits

Julian Baggini: Is there a real you?

Drew Dudley: Everyday leadership

Tavi Gevinson: A teen just trying to figure it out