A fun, uplifting challenge: For the next 10 days, watch one TED Talk from this list to shift yourself into a life of positive thinking.

Hector Ruiz, the executive chair of AMD, wants to give Internet access to everyone. In this talk, he shares his extraordinary life story and describes AMD's 50x15 initiative that calls for connecting 50 percent of the world by 2015.

Once you watch these talks, you may not be able to get them out of your head. These talks have staying power and, as you go about everyday life, we bet you'll find yourself thinking of them often.

Two hundred million years ago, our mammal ancestors developed a new brain feature: the neocortex. This stamp-sized piece of tissue (wrapped around a brain the size of a walnut) is the key to what humanity has become. Now, futurist Ray Kurzweil suggests, we should get ready for the next big leap in brain power, as we tap into the computing power ...

In this brand-new slideshow (premiering on TED.com), Al Gore presents evidence that the pace of climate change may be even worse than scientists recently predicted. He challenges us to act.

About this talk: Thinking out of the box. It’s one of the most cited strategies for thinking innovatively. Corporate philosopher and Luc de Brabandere pondered exactly what was happening in our minds when we engaged in such activity, and here shares his own fresh perspective on this strategy. He argues that the most incredible ideas don’t come f...

What's going on inside the brains of animals? Can we know what, or if, they're thinking and feeling? Carl Safina thinks we can. Using discoveries and anecdotes that span ecology, biology and behavioral science, he weaves together stories of whales, wolves, elephants and albatrosses to argue that just as we think, feel, use tools and express emot...

Emily Oster re-examines the stats on AIDS in Africa from an economic perspective and reaches a stunning conclusion: Everything we know about the spread of HIV on the continent is wrong.

Easy, straightforward techniques to jumpstart innovative thinking and surface new, brilliant ideas.

Enjoy these simply wow talks, which will have you thinking about the possibilities for hours.

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

About 10,000 people a month Google the phrase, “Am I ugly?” Meaghan Ramsey of the Dove Self-Esteem Project has a feeling that many of them are young girls. In a deeply unsettling talk, she walks us through the surprising impacts of low body and image confidence—from lower grade point averages to greater risk-taking with drugs and alcohol. And th...

Learn from future-thinking CEOs, entrepreneurs and business experts about cutting-edge tactics to keep your organization one step ahead.

12 counterintuitive talks to flip your thinking on everything from shoes to aid organizations to the universe.

Feel like you're running low on fresh ideas? Get creative with these thought-provoking TED Talks to inspire new and experimental thinking. (Curated in partnership with Nuveen.)

Leyla Acaroglu uses innovative design and systems thinking to create positive change.

Inspiration from the ocean and on dry land.

If you ever struggle to make decisions, here's a talk for you. Cognitive scientist Tom Griffiths shows how we can apply the logic of computers to untangle tricky human problems, sharing three practical strategies for making better decisions -- on everything from finding a home to choosing which restaurant to go to tonight.

About this talk: Former Air Force Reserve Colonel Jeff Kozak once saved his company $500,000 in just 10 days by approaching a jet fuel problem with a seemingly backwards strategy. Kozak’s success resulted in the development of a new, optimized process for mid-air refueling that was initially resisted by many in his industry. On the TED@UPS stage...

What makes work satisfying? Apart from a paycheck, there are intangible values that, Barry Schwartz suggests, our current way of thinking about work simply ignores. It's time to stop thinking of workers as cogs on a wheel.

We know that innovative ideas and fresh approaches to challenging problems can be discovered inside visionary organizations around the world. The TED Institute helps surface and share these insights.

We spend a quarter of our lives at work, but too little time thinking about how to make it better. Introducing WorkLife with Adam Grant, an original podcast from TED. Organizational psychologist Adam Grant takes you inside unconventional workplaces to explore the ideas we can all use to make work more meaningful and creative.

John Searle has made countless contributions to contemporary thinking about consciousness, language, artificial intelligence and rationality itself.

Biologist Richard Dawkins makes a case for "thinking the improbable" by looking at how the human frame of reference limits our understanding of the universe.

Taking a cue from his own artistic journey, Phil Hansen challenges us to spark our creativity by thinking inside the box.

Nandan Nilekani is the author of "Imagining India," a radical re-thinking of one of the world’s great economies. The co-founder of Infosys, he helped move India into the age of IT.

Professor Sajay Samuel's proposal to reduce the burden of student loans is part of his larger preoccupation with thinking beyond the conventional categories of economics and ecology.

In a spellbinding talk, paleontologist Jack Horner tells the story of how iconoclastic thinking revealed a shocking secret about some of our most beloved dinosaurs.

You're not at your best when you're stressed. In fact, your brain has evolved over millennia to release cortisol in stressful situations, inhibiting rational, logical thinking but potentially helping you survive, say, being attacked by a lion. Neuroscientist Daniel Levitin thinks there's a way to avoid making critical mistakes in stressful situa...

Bhu Srinivasan researches the intersection of capitalism and technological progress. Instead of thinking about capitalism as a firm, unchanging ideology, he suggests that we should think of it as an operating system -- one that needs upgrades to keep up with innovation, like the impending take-off of drone delivery services. Learn more about the...