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.

Every day, we meet people and process our interactions-- making inferences and developing beliefs about the world around us. In this lesson, Trevor Maber introduces us to the idea of a 'ladder of inference' and a process for rethinking the way we interact. [Directed by Biljana Labovic, narrated by Trevor Maber].

Every day, a sea of decisions stretches before us, and it's impossible to make a perfect choice every time. But there are many ways to improve our chances — and one particularly effective technique is critical thinking. Samantha Agoos describes a 5-step process that may help you with any number of problems. [Directed by Nick Hilditch, narrated b...

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

Thinking out of the box -- it's one of the most cited strategies for innovation. Corporate philosopher Luc de Brabandere pondered exactly what was happening in our minds when we think creatively, and shares his own perspective on this strategy. He argues that the most incredible ideas don't come from just thinking beyond the perimeter of our cur...

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

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.

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

Fresh thinking on how we can make a health system that works better for everyone.

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.

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.

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

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 ...

Fascinating, forward-thinking talks that highlight the importance of diversity — in its many forms — within the tech industry. (Curated in partnership with the National Security Agency.)

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.

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...

Why does a failure seem to stick in our minds so much longer than a success? According to social psychologist Alison Ledgerwood, our perception of the world tends to lean negative, and reframing how we communicate could be the key to unlocking a more positive outlook. In this sharp talk, Ledgerwood shares a simple trick for kicking negative thin...

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.

Inspiration from the ocean and on dry land.

These action-oriented, forward-thinking talks offer a vision of the world where everyone has access to safe, healthy, and nutritious food — especially those who need it most. (Sponsored by Wells Fargo.)

Your town is holding a mayoral election and the stakes have never been higher. You suspect one of the candidates will begin pushing false information to swing the election. As the cybersecurity expert, your job is to inoculate the townspeople against false information. First, you must learn the strategies of disinformation trolls. Claire Wardle ...

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, he explains why...

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.

We know that innovative ideas, cutting-edge research and fresh approaches to challenging problems can be discovered inside visionary organizations around the world. The TED Institute helps surface and share these insights. What is the TED Institute? Every year, TED works with a group of select companies and foundations to identify internal ideat...

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.

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

These thoughtful talks explore the timeless concept of beauty. How do we decide what — and who — is beautiful? What role does this play in our lives?

What moves Jill Bolte Taylor? "I love talks that contribute to the overall well-being of who we are as humanity -- about how we can explore ourselves as people in relationship with one another and with this beautiful planet."

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.