The world is heading toward a massive copper shortage that could derail the clean energy transition, says mining expert Jeff More. He shows how advanced sensing technology could get us back on the right track, drastically cutting down on the wasted materials from traditional mining and helping meet the growing demand for essential metals.

The dot-com boom and bust is often compared to the Gold Rush. But Amazon.com founder Jeff Bezos says it's more like the early days of the electric industry.

How do we solve the problem of the suburbs? Urbanist Jeff Speck shows how we can free ourselves from dependence on the car -- which he calls "a gas-belching, time-wasting, life-threatening prosthetic device" -- by making our cities more walkable and more pleasant for more people.

In this Princeton University graduation address, Amazon founder Jeff Bezos makes the case that our character is reflected not in the gifts we're endowed with at birth, but by the choices we make over the course of a lifetime.

The brain uses a quarter of the body's entire energy supply, yet only accounts for about two percent of the body's mass. So how does this unique organ receive and, perhaps more importantly, rid itself of vital nutrients? New research suggests it has to do with sleep.

What is AI, really? Jeff Dean, the head of Google's AI efforts, explains the underlying technology that enables artificial intelligence to do all sorts of things, from understanding language to diagnosing disease -- and presents a roadmap for building better, more responsible systems that have a deeper understanding of the world. (Followed by a ...

The earth is a big place to keep clean. With Litterati -- an app for users to identify, collect and geotag the world's litter -- TED Resident Jeff Kirschner has created a community that's crowdsource-cleaning the planet. After tracking trash in more than 100 countries, Kirschner hopes to use the data he's collected to work with brands and organi...

Euclid, known as the "Father of Geometry," developed several of modern geometry's most enduring theorems--but what can we make of his mysterious fifth postulate, the parallel postulate? Jeff Dekofsky shows us how mathematical minds have put the postulate to the test and led to larger questions of how we understand mathematical principles. [Direc...

On October 4, 1957, the Soviet Union launched the satellite Sputnik and, with it, an international space race. The United States and the Soviet Union rushed to declare dominance of space for 18 years, until the two countries agreed to a more collaborative model. The real winner? Science. Jeff Steers describes the history -- and the benefits -- o...

Freedom from cars, freedom from sprawl, freedom to walk your city! City planner Jeff Speck shares his "general theory of walkability" -- four planning principles to transform sprawling cities of six-lane highways and 600-foot blocks into safe, walkable oases full of bike lanes and tree-lined streets.

Film producer Jeff Skoll (An Inconvenient Truth) talks about his film company, Participant Productions, and the people who've inspired him to do good.

Jeff Han shows off a cheap, scalable multi-touch and pressure-sensitive computer screen interface that may spell the end of point-and-click.

Moore’s Law states that every 1 to 2 years the number of transistors that can fit on a given size computer chip will double. Thanks to this law, chips have gotten smaller, faster, more efficient, and cheaper. But today, there are four key problems that trip up this trend, potentially ending Moore’s Law and fundamentally changing how computing pr...

Pharmaceutical companies often only patent drugs they can monetize, creating synthetic versions of remedies already available in nature. In this quick talk, physician and entrepreneur Jeff Chen offers a path to affordable, effective natural medicines — for everyone.

Treo creator Jeff Hawkins urges us to take a new look at the brain -- to see it not as a fast processor, but as a memory system that stores and plays back experiences to help us predict, intelligently, what will happen next.

The Infinite Hotel, a thought experiment created by German mathematician David Hilbert, is a hotel with an infinite number of rooms. Easy to comprehend, right? Wrong. What if it's completely booked but one person wants to check in? What about 40? Or an infinitely full bus of people? Jeff Dekofsky solves these heady lodging issues using Hilbert's...

Who hasn’t sent a text message saying “I’m on my way” when it wasn’t true or fudged the truth a touch in their online dating profile? But Jeff Hancock doesn’t believe that the anonymity of the internet encourages dishonesty. In fact, he says the searchability and permanence of information online may even keep us honest.

Jeff Smith spent a year in prison. But what he discovered inside wasn't what he expected -- he saw in his fellow inmates boundless ingenuity and business savvy. He asks: Why don't we tap this entrepreneurial potential to help ex-prisoners contribute to society once they're back outside? (From the TED Talent Search event TED@NewYork.)

In medicine, there's often a disconnect between news headlines and the scientific research they cover. While headlines are designed to catch attention, many studies produce meaningful results when they focus on a narrow, specific question. So how can you figure out what's a genuine health concern and what's less conclusive? Jeff Leek and Lucy Mc...

Health headlines are published every day, sometimes making opposite claims from each other. There can be a disconnect between broad, attention-grabbing headlines and the often specific, incremental results of the medical research they cover. So how can you avoid being misled by grabby headlines? Jeff Leek and Lucy McGowan explain how to read pas...

Tango, waltz, foxtrot ... these classic ballroom dances quietly perpetuate an outdated idea: that the man always leads and the woman always follows. That's an idea worth changing, say Trevor Copp and Jeff Fox, as they demonstrate their "Liquid Lead" dance technique along with fellow dancer Alida Esmail. Watch as Copp and Fox captivate and comman...

Hercules — son of Zeus and champion of humankind — stricken with a temporary curse of madness, has just committed the most unspeakable crime imaginable. Seeking to atone for the deaths of his family, Hercules must complete twelve impossible tasks that pit him against invincible monsters and unfathomable forces. Alex Gendler retells this epic ser...

Your government has introduced a plan to address record-breaking rates of traffic tickets and deadly hovercar accidents. They propose assigning “driver credit scores” to every citizen, but would need to install cameras and microphones in every vehicle. While it would make the roads safer, is this undeniable benefit worth the cost to drivers’ pri...

Corruption is often defined as misuse of a position of power for personal gain. And while corruption in politics is nothing new, it isn't limited to the political sphere; it can happen in schools, sports, businesses, or religious institutions. So, what exactly is corruption, and what can we do to combat it? Stephanie Honchell Smith explores the ...

It's 1631. Mumtaz Mahal, beloved wife of Emperor Shah Jahan, is giving birth to their 14th child. A healthy girl is born, but Mumtaz dies soon after. Sobbing uncontrollably, the emperor decides to build a tomb worthy of his queen: a replica of paradise to embody their love and project the power of the Mughal Empire for all time. Stephanie Honche...

Around the world, people who work hard are often seen as morally good -- even if they produce little to no results. Social psychologist Azim Shariff analyzes the roots of this belief and suggests a shift towards a more meaningful way to think about effort, rather than admiring work for work's sake.

In a world of too many options and too little time, our obvious choice is to just ignore the ordinary stuff. Marketing guru Seth Godin spells out why, when it comes to getting our attention, bad or bizarre ideas are more successful than boring ones.

As the saying goes, less is more. The same goes for words. Listen as Politico and Axios co-founder Jim VandeHei shares what he's learned leading two media companies -- and how to radically rethink the way you write to keep people's attention in a distracted digital world.

Many workplaces have become increasingly lonely, even before the coronavirus pandemic made more of us literally remote. It's not just an unpleasant feeling -- loneliness can hurt our health and our job performance. Find out why it's time for happy hours to finally die -- and how it might take less than a minute to start building real connections...

We’ve known how to cure malaria since the 1600s, so why does the disease still kill hundreds of thousands every year? It’s more than just a problem of medicine, says journalist Sonia Shah. A look into the history of malaria reveals three big-picture challenges to its eradication. Photos: Adam Nadel.