Ajit Narayanan: A word game to communicate in any language

The science of spiciness - Rose Eveleth

Manu Prakash: A 50-cent microscope that folds like origami

Gabriel Barcia-Colombo: My DNA vending machine

Christopher Soghoian: Government surveillance — this is just the beginning

Mary Lou Jepsen: Could future devices read images from our brains?

Annette Heuser: The 3 agencies with the power to make or break economies

Learn English: 10 abbreviations you should know

Catherine Bracy: Why good hackers make good citizens

What is the universe made of? - Dennis Wildfogel

Siddharthan Chandran: Can the damaged brain repair itself?

Ash Beckham: We're all hiding something. Let's find the courage to open up

Are we sexual omnivores? | Christopher Ryan

What it takes to be a great leader | Roselinde Torres | TED

An athlete uses physics to shatter world records - Asaf Bar-Yosef

Molly Stevens: A new way to grow bone

Love -- you're doing it wrong | Yann Dall'Aglio

Rupal Patel: Synthetic voices, as unique as fingerprints

Chris McKnett: The investment logic for sustainability

Leyla Acaroglu: Paper beats plastic? How to rethink environmental folklore

David Puttnam: What happens when the media's priority is profit?

Aparna Rao: Art that craves your attention

Alex Wissner-Gross: A new equation for intelligence

Dan Berkenstock: The world is one big dataset. Now, how to photograph it ...

Esta Soler: How we turned the tide on domestic violence (Hint: the Polaroid helped)

Maya Penn: Meet a young entrepreneur, cartoonist, designer, activist ... | TED

Nicolas Perony: Puppies! Now that I've got your attention, complexity theory

Anne Milgram: Why smart statistics are the key to fighting crime

Anant Agarwal: Why massively open online courses (still) matter

How I beat stage fright | Joe Kowan

Paula Johnson: His and hers ... healthcare

The Infinite Hotel Paradox - Jeff Dekofsky

Luke Syson: How I learned to stop worrying and love "useless" art

Sheryl Sandberg: So we leaned in ... now what?

How to talk about prices in English - Basic Vocabulary

Harish Manwani: Profit's not always the point

Ryan Holladay: To hear this music you have to be there. Literally

How to build a fictional world - Kate Messner

Why dieting doesn't usually work | Sandra Aamodt

How sugar affects the brain - Nicole Avena

Suzanne Talhouk: Don't kill your language

I got 99 problems... palsy is just one | Maysoon Zayid

Never, ever give up | Diana Nyad

Krista Donaldson: The $80 prosthetic knee that's changing lives

How do we smell? - Rose Eveleth

Marco Annunziata: Welcome to the age of the industrial internet

The 4 stories we tell ourselves about death | Stephen Cave

Diébédo Francis Kéré: How to build with clay... and community