Artists Jeroen Koolhaas and Dre Urhahn create community art by painting entire neighborhoods, and involving those who live there -- from the favelas of Rio to the streets of North Philadelphia. What's made their projects succeed? In this...

Between 2006 and 2016, the number of drug patents granted in the United States doubled -- but not because there was an explosion in invention or innovation. Drug companies have learned how to game the system, accumulating patents not for...

Sheryl WuDunn's book "Half the Sky" investigates the oppression of women globally. Her stories shock. Only when women in developing countries have equal access to education and economic opportunity will we be using all our human resources.

Hank explains how a recent astronomical discovery made in Antarctica could change what we know about the birth of the universe, and the rules of physics that govern it.

The way smartphones made many devices nonessential is a model for a new way to think about improving energy efficiency.

The internet is full of tips, tricks, and strategies to tell when somebody is lying, but the reality of lie detection isn't quite as clean and definitive as it is on TV.

The term "gaslighting" has gained popularity in recent years, but what exactly does it entail?

Eman Mohammed is one of the few female photojournalists in the Gaza Strip. Though openly shunned by many of her male colleagues, she is given unprecedented access to areas denied to men. In this short, visual talk, the TED Fellow...

Combining dry wit with artistic depth, Billy Collins shares a project in which several of his poems were turned into delightful animated films in a collaboration with Sundance Channel. Five of them are included in this wonderfully...

LEGO blocks: playtime mainstay for industrious kids, obsession for many (ahem!) mature adults. Hillel Cooperman takes us on a trip through the beloved bricks' colorful, sometimes oddball grownup subculture, featuring CAD, open-source...

How did the young, wealthy women of Ancient Rome spend their days? Meet Domitia and her sister Domitia and her sister Domitia and her sister Domitia. Ray Laurence sketches the domestic life of leisure that these young girls lived,...

In his home of Namibia, John Kasaona is working on an innovative way to protect endangered animal species: giving nearby villagers (including former poachers) responsibility for caring for the animals. And it's working.

Flight is about to get a lot more personal, says aviation entrepreneur Rodin Lyasoff. In this visionary talk, he imagines a new golden age of air travel in which small, autonomous air taxis allow us to bypass traffic jams and...

With warmth and grace, Beth Malone tells the deeply personal story of her dad's struggle with frontotemporal lobe dementia, and how it changed how she thinks about death (and life). A moving talk about a daughter's love -- and of letting...

This is the first-ever video of what we're calling the "hermit crab caterpillar"! We're pretty sure this strange caterpillar is a NEW SPECIES. We went to the Peruvian Amazon to see amazing things, but we never expected this :) But that...

In 2018, Scotland, Iceland and New Zealand established the network of Wellbeing Economy Governments to challenge the acceptance of GDP as the ultimate measure of a country's success. In this visionary talk, First Minister of Scotland...

Artist Tony Luciani was testing out a new camera when his 91-year-old mother, Elia, snuck into the background of his photos. The spontaneous images that resulted sparked a years-long collaboration, with Luciani documenting his mom's life...

Designer Alastair Parvin presents a simple but provocative idea: what if, instead of architects creating buildings for those who can afford to commission them, regular citizens could design and build their own houses? The concept is at...

From the spider in the corner of your house, to the moths in your attic, synanthropic species don't just live among us, they literally depend on us to live. Chapters View all synanthropic species 0:34 1 COMMON HOUSE SPIDERS 2:14 PURPLE...

When asked to build housing for 100 families in Chile ten years ago, Alejandro Aravena looked to an unusual inspiration: the wisdom of favelas and slums. Rather than building a large building with small units, he built flexible...

It's another sweltering morning in Memphis, Egypt. As the sunlight brightens the Nile, Peseshet checks her supplies. Honey, garlic, cumin, acacia leaves, cedar oil -- she's well stocked with the essentials she needs to treat her...

This talk paints the funny and touching story of a little boy who pursued a simple passion: to draw and write stories. With the help of a supporting cast of family and teachers, Jarrett J. Krosoczka tells how he grew up to create beloved...

In her New Orleans neighborhood, artist and TED Fellow Candy Chang turned an abandoned house into a giant chalkboard asking a fill-in-the-blank question: "Before I die I want to ___." Her neighbors' answers -- surprising, poignant, funny...

These giant balls of mucus may seem like a bizarre sight in the open ocean, but all this snot serves a purpose, both for the tiny creatures that produce it and for the entire ocean ecosystem!