It's the age of Big Data. But what, exactly, do we do with all this information? These talks explore practical, ethical -- and spectacularly visual -- ways to understand near-infinite data.

Ever feel like the Internet is flooded with hatred and drivel? These speakers can empathize and give you a glimmer of hope.

Before life existed on Earth, there was just matter, inorganic dead "stuff." How improbable is it that life arose? And -- could it use a different type of chemistry? Using an elegant definition of life (anything that can evolve), chemist Lee Cronin is exploring this question by attempting to create a fully inorganic cell using a "Lego kit" of in...

Aris Venetikidis is fascinated by the maps we draw in our minds as we move around a city -- less like street maps, more like schematics or wiring diagrams, abstract images of relationships between places. How can we learn from these mental maps to make better real ones? As a test case, he remakes the notorious Dublin bus map.

FLA head Auret van Heerden talks about the next frontier of workers' rights -- globalized industries where no single national body can keep workers safe and protected. How can we keep our global supply chains honest? Van Heerden makes the business case for fair labor.

Dong Woo Jang has an unusual after school hobby. Jang, who was 15 when he gave the talk, tells the story of how living in the concrete jungle of Seoul inspired him to build the perfect bow. Watch him demo one of his beautiful hand-crafted archer's bows.

Physicist Brian Greene explains superstring theory, the idea that minscule strands of energy vibrating in 11 dimensions create every particle and force in the universe.

Evan Grant demonstrates the science and art of cymatics, a process for making soundwaves visible. Useful for analyzing complex sounds (like dolphin calls), it also makes complex and beautiful designs.

In Lebanon there is one gunshot a year that isn’t part of a scene of routine violence: The opening sound of the Beirut International Marathon. In a moving talk, marathon founder May El-Khalil explains why she believed a 26.2-mile running event could bring together a country divided for decades by politics and religion, even if for one day a year.

Ruth Chang asks why some choices are so hard — and what that means for the human condition.

With astronaut eyes and ethnographer curiosity, Tricia Wang helps corporations grow by discovering the unknown about their customers.

We're taught to try to live life without regret. But why? Using her own tattoo as an example, Kathryn Schulz makes a powerful and moving case for embracing our regrets.

Here's a talk that could literally change your life. Which career should I pursue? Should I break up -- or get married?! Where should I live? Big decisions like these can be agonizingly difficult. But that's because we think about them the wrong way, says philosopher Ruth Chang. She offers a powerful new framework for shaping who we truly are.

For when you need to stop biting your nails and just pick a direction.

Using robotics, laser rangefinders, GPS and smart feedback tools, Dennis Hong is building a car for drivers who are blind. It's not a "self-driving" car, he's careful to note, but a car in which a non-sighted driver can determine speed, proximity and route -- and drive independently.

At 18, Natalie Warne's work with the Invisible Children movement made her a hero for young activists. She uses her inspiring story to remind us that no one is too young to change the world.

Kristina Gjerde studies the law of the high seas -- the 64 percent of our ocean that isn't protected by any national law at all. Gorgeous photos show the hidden worlds that Gjerde and other lawyers are working to protect from trawling and trash-dumping, through smart policymaking and a healthy dose of PR.

As of 2005, only 15 percent of the world was mapped. This slows the delivery of aid after a disaster -- and hides the economic potential of unused lands and unknown roads. In this short talk, Google's Lalitesh Katragadda demos Map Maker, a group map-making tool that people around the globe are using to map their world.

Social psychologist Emily Balcetis explores perception, motivation, goal-setting and decision-making from conscious and nonconscious levels.

Physicists are used to the idea that subatomic particles behave according to the bizarre rules of quantum mechanics, completely different to human-scale objects. In a breakthrough experiment, Aaron O'Connell has blurred that distinction by creating an object that is visible to the unaided eye, but provably in two places at the same time. In this...

Using simple, delightful illustrations, designer Stefan Sagmeister shares his latest thinking on happiness -- both the conscious and unconscious kind. His seven rules for life and design happiness can (with some customizations) apply to everyone seeking more joy.

Some advice and perspectives to keep in mind when your company's going through structural changes.

These talks reveal that some things are more within your grasp than you may think, especially if you ask.

Can global capital markets become catalysts for social change? According to investment expert Audrey Choi, individuals own almost half of all global capital, giving them (us!) the power to make a difference by investing in companies that champion social values and sustainability. "We have more opportunity today than ever before to make choices,"...

Today's AI algorithms require tens of thousands of expensive medical images to detect a patient's disease. What if we could drastically reduce the amount of data needed to train an AI, making diagnoses low-cost and more effective? TED Fellow Pratik Shah is working on a clever system to do just that. Using an unorthodox AI approach, Shah has deve...

This isn't traditional business advice. These talks offer unconventional, and uncommonly useful, advice on leading, working and making the most of each day.

DJs make remixes, cross-pollinating old sounds with new. But all of us engage in this conversation between the past and present, making ideas resonate over and over again.

What is it about unfairness? Whether it's not being invited to a friend's wedding or getting penalized for bad luck or an honest mistake, unfairness often makes us so upset that we can't think straight. And it's not just a personal issue -- it's also bad for business, says Marco Alverà. He explains how his company works to create a culture of fa...

We all want customized experiences and products -- but when faced with 700 options, consumers freeze up. With fascinating new research, Sheena Iyengar demonstrates how businesses (and others) can improve the experience of choosing.

Looking for the best of the best to join your organization? Fresh thinking on how to find the right fit.