811 535

A kinder, gentler philosophy of success

Alain de Botton examines our ideas of success and failure -- and questions the assumptions underlying these two judgments. Is success always earned? Is failure? He makes an eloquent, witty case to move beyond snobbery to find true pleasure in our work.
581 721

The 4 stories we tell ourselves about death

Philosopher Stephen Cave begins with a dark but compelling question: When did you first realize you were going to die? And even more interestingly: Why do we humans so often resist the inevitability of death? In a fascinating talk Cave explores four narratives -- common across civilizations -- that we tell ourselves "in order to help us manage the terror of
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508 792

The riddle of experience vs. memory

Using examples from vacations to colonoscopies, Nobel laureate and founder of behavioral economics Daniel Kahneman reveals how our "experiencing selves" and our "remembering selves" perceive happiness differently. This new insight has profound implications for economics, public policy -- and our own self-awareness.
382 417

Love -- you're doing it wrong

In this delightful talk, philosopher Yann Dall’Aglio explores the universal search for tenderness and connection in a world that's ever more focused on the individual. As it turns out, it's easier than you think. A wise and witty reflection on the state of love in the modern age. (Filmed at TEDxParis.)
331 330

Dangerous memes

Starting with the simple tale of an ant, philosopher Dan Dennett unleashes a devastating salvo of ideas, making a powerful case for the existence of memes -- concepts that are literally alive.
321 188

A brain in a supercomputer

Henry Markram says the mysteries of the mind can be solved -- soon. Mental illness, memory, perception: they're made of neurons and electric signals, and he plans to find them with a supercomputer that models all the brain's 100,000,000,000,000 synapses.
306 456

If I controlled the Internet …

How many poets could cram eBay, Friendster and into 3-minute poem worthy of a standing ovation? Enjoy Rives' unique talent.
259 860

We can now edit our DNA. But let's do it wisely

Geneticist Jennifer Doudna co-invented a groundbreaking new technology for editing genes, called CRISPR-Cas9. The tool allows scientists to make precise edits to DNA strands, which could lead to treatments for genetic diseases but could also be used to create so-called "designer babies." Doudna reviews how CRISPR-Cas9 works and asks the scientific community to
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218 154

The lost art of democratic debate

Democracy thrives on civil debate, Michael Sandel says -- but we're shamefully out of practice. He leads a fun refresher, with TEDsters sparring over a recent Supreme Court case (PGA Tour, Inc. v. Martin) whose outcome reveals the critical ingredient in justice.
198 246

What we don't understand about trust

Trust is on the decline, and we need to rebuild it. That’s a commonly heard suggestion for making a better world but, says philosopher Onora O’Neill, we don’t really understand what we're suggesting. She flips the question, showing us that our three most common ideas about trust are actually misdirected. (Filmed at TEDxHousesofParliament.)
186 354

The why and how of effective altruism

If you're lucky enough to live without want, it's a natural impulse to be altruistic to others. But, asks philosopher Peter Singer, what's the most effective way to give? He talks through some surprising thought experiments to help you balance emotion and practicality -- and make the biggest impact with whatever you can share. NOTE: Starting at 0:30, this talk
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163 390

Emily Levine's theory of everything

Philosopher-comedian Emily Levine talks (hilariously) about science, math, society and the way everything connects. She's a brilliant trickster, poking holes in our fixed ideas and bringing hidden truths to light. Settle in and let her ping your brain.
145 633

The dawn of de-extinction. Are you ready?

Throughout humankind's history, we've driven species after species extinct: the passenger pigeon, the Eastern cougar, the dodo ... But now, says Stewart Brand, we have the technology (and the biology) to bring back species that humanity wiped out. So -- should we? Which ones? He asks a big question whose answer is closer than you may think.
142 079

Distant time and the hint of a multiverse

At TEDxCaltech, cosmologist Sean Carroll attacks -- in an entertaining and thought-provoking tour through the nature of time and the universe -- a deceptively simple question: Why does time exist at all? The potential answers point to a surprising view of the nature of the universe, and our place in it.
126 331

Should you live for your résumé ... or your eulogy?

Within each of us are two selves, suggests David Brooks in this meditative short talk: the self who craves success, who builds a résumé, and the self who seeks connection, community, love the values that make for a great eulogy. (Joseph Soloveitchik has called these selves "Adam I" and "Adam II.") Brooks asks: Can we balance these two selves?
125 475

The origins of pleasure

Why do we like an original painting better than a forgery? Psychologist Paul Bloom argues that human beings are essentialists -- that our beliefs about the history of an object change how we experience it, not simply as an illusion, but as a deep feature of what pleasure (and pain) is.
104 009

Philosophy in prison

Damon Horowitz teaches philosophy through the Prison University Project, bringing college-level classes to inmates of San Quentin State Prison. In this powerful short talk, he tells the story of an encounter with right and wrong that quickly gets personal.
98 362

A new way to explain explanation

For tens of thousands of years our ancestors understood the world through myths, and the pace of change was glacial. The rise of scientific understanding transformed the world within a few centuries. Why? Physicist David Deutsch proposes a subtle answer.
93 369

Making sense of a visible quantum object

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 talk he suggests an
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79 974

It's time to question bio-engineering

At TEDxPeachtree, bioethicist Paul Root Wolpe describes an astonishing series of recent bio-engineering experiments, from glowing dogs to mice that grow human ears. He asks: Isn't it time to set some ground rules?
75 787

A conservative's plea: Let's work together

Conservatives and liberals both believe that they alone are motivated by love while their opponents are motivated by hate. How can we solve problems with so much polarization? In this talk, social scientist Arthur Brooks shares ideas for what we can each do as individuals to break the gridlock. "We might just be able to take the ghastly holy war of ideology that we're
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65 969

Are we ready for neo-evolution?

Medical ethicist Harvey Fineberg shows us three paths forward for the ever-evolving human species: to stop evolving completely, to evolve naturally -- or to control the next steps of human evolution, using genetic modification, to make ourselves smarter, faster, better. Neo-evolution is within our grasp. What will we do with it?
57 239

John Lloyd inventories the invisible

Nature's mysteries meet tack-sharp wit in this hilarious, 10-minute mix of quips and fun lessons, as comedian, writer and TV man John Lloyd plucks at the substance of several things not seen.
55 489

Damon Horowitz calls for a "moral operating system"

At TEDxSiliconValley, Damon Horowitz reviews the enormous new powers that technology gives us: to know more -- and more about each other -- than ever before. Drawing the audience into a philosophical discussion, Horowitz invites us to pay new attention to the basic philosophy -- the ethical principles -- behind the burst of invention remaking our world. Where's the
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52 561

How technology evolves

Tech enthusiast Kevin Kelly asks "What does technology want?" and discovers that its movement toward ubiquity and complexity is much like the evolution of life.
44 338

Information is food

How do we consume data? At TED@SXSWi, technologist JP Rangaswami muses on our relationship to information, and offers a surprising and sharp insight: we treat it like food.
40 284

Moving sculpture

Sculptor and engineer Arthur Ganson talks about his work -- kinetic art that explores deep philosophical ideas and is gee-whiz fun to look at.
33 663

Philippe Starck thinks deep on design

Designer Philippe Starck -- with no pretty slides to show -- spends 18 minutes reaching for the very roots of the question "Why design?" Listen carefully for one perfect mantra for all of us, genius or not.
26 887

Tom Honey on God and the tsunami

In the days following the tragic South Asian tsunami of 2004, the Rev. Tom Honey pondered the question, "How could a loving God have done this?" Here is his answer.
22 015

Sherwin Nuland on hope

Surgeon and writer Sherwin Nuland meditates on the idea of hope -- the desire to become our better selves and make a better world. It's a thoughtful 12 minutes that will help you focus on the road ahead.
8 290

Math is the hidden secret to understanding the world

Unlock the mysteries and inner workings of the world through one of the most imaginative art forms ever mathematics with Roger Antonsen, as he explains how a slight change in perspective can reveal patterns, numbers and formulas as the gateways to empathy and understanding.
6 831

Atheism 2.0

What aspects of religion should atheists (respectfully) adopt? Alain de Botton suggests a "religion for atheists" -- call it Atheism 2.0 -- that incorporates religious forms and traditions to satisfy our human need for connection, ritual and transcendence.

Don't fear superintelligent AI

New tech spawns new anxieties, says scientist and philosopher Grady Booch, but we don't need to be afraid an all-powerful, unfeeling AI. Booch allays our worst (sci-fi induced) fears about superintelligent computers by explaining how we'll teach, not program, them to share our human values. Rather than worry about an unlikely existential threat, he urges us to
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