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.

Philosopher Dan Dennett makes a compelling argument that not only don't we understand our own consciousness, but that half the time our brains are actively fooling us.

Why are babies cute? Why is cake sweet? Philosopher Dan Dennett has answers you wouldn't expect, as he shares evolution's counterintuitive reasoning on cute, sweet and sexy things (plus a new theory from Matthew Hurley on why jokes are funny).

Philosopher Dan Dennett calls for religion -- all religion -- to be taught in schools, so we can understand its nature as a natural phenomenon. Then he takes on The Purpose-Driven Life, disputing its claim that, to be moral, one must deny evolution.

Dan Dennett thinks that human consciousness and free will are the result of physical processes.

Fascinating talks that explore one of the most mysterious phenomenons in the universe: the "self" (and why it exists).

For as many people as there are on Earth, there are as many answers to the question: Are you there, God? These talks offer a spectrum of personal perspectives on faith, from ardent atheists to devout believers.

Downloadable, printable clothing may be coming to a closet near you. What started as designer Danit Peleg's fashion school project turned into a collection of 3D-printed designs that have the strength and flexibility for everyday wear. "Fashion is a very physical thing," she says. "I wonder what our world will look like when our clothes will be ...

There's no such thing as throwing something away, says Andrew Dent -- when you toss a used food container, broken toy or old pair of socks into the trash, those things inevitably end up in ever-growing landfills. But we can get smarter about the way we make, and remake, our products. Dent shares exciting examples of thrift -- the idea of using a...

Learn about the amazing science behind some of the most awe-inspiring things in the world (and beyond).

These speakers have that special blend of wisdom and warmth that makes you wish you could call them up for life advice.

The 3 pounds of jelly in our skulls allow us to reflect on our own consciousness -- and to make counterintuitive, irrational decisions. These talks explore why.

The Amazon River is like a heart, pumping water from the seas through it, and up into the atmosphere through 600 billion trees, which act like lungs. Clouds form, rain falls and the forest thrives. In a lyrical talk, Antonio Donato Nobre talks us through the interconnected systems of this region, and how they provide environmental services to th...

Trees talk, flowers build elaborate traps and some plants can even come back from the dead. Skeptical? These fascinating talks may just grow on you.

A leading expert on sustainable materials, Andrew Dent has played an important part in creating a new generation of more sustainable products.

Danit Peleg created the first 3D-printed fashion collection printed entirely using home printers.

Venture down the catwalk with these talks all about the creatively wild world of fashion.

Give old things new life and even imagine a futuristic perspective on repurposing everyday items with these fun and thoughtful talks.

Antonio Donato Nobre researches the “ingenious systems” of the Amazon. His work illustrates the beautiful complexity of this region, as well as its fragility against a backdrop of climate change.

In "The Cost of Hope," Pulitzer Prize winning journalist Amanda Bennett brings an investigative angle to the conversation about end-of-life care.

As a creative director at Ideo, Paul Bennett reminds us that design need not invoke grand gestures or sweeping statements to be successful, but instead can focus on the little things in life, the obvious, the overlooked.

Childcare needs a transformation -- but rather than investing billions in new buildings and schools, what if we could unlock the potential of people already nearby? Entrepreneur Chris Bennett offers an innovative way to tackle the shortage of childcare worldwide and connect families to safe, affordable and high-quality options in their own commu...

Discover the beauty in minimizing material goods, repurposing your most well-loved things and intentionally (and sustainably) reducing your carbon footprint.

Showing a series of inspiring, unusual and playful products, British branding and design guru Paul Bennett explains that design doesn't have to be about grand gestures, but can solve small, universal and overlooked problems.

Amanda Bennett and her husband were passionate and full of life all throughout their lives together -- and up until the final days, too. Bennett gives a sweet yet powerful talk on why, for the loved ones of the dying, having hope for a happy ending shouldn't warrant a diagnosis of "denial." She calls for a more heroic narrative for death -- to m...

John Searle studies consciousness -- which, as he points out in today's talk, is a “curiously neglected subject in our scientific and philosophical culture.” Curiously -- because it is, after all, a pre-condition for anything else we think about. And yet neglected -- because consciousness is a subject that makes scientists huffy (they see it a...

A list of the talks mentioned in TED Talks: The Official TED Guide to Public Speaking. Chris Anderson's comments on each talk (in the grey italics) indicate why they were included in the book. Use the book index for more info.

TED2013 kicks off in just 11 days. And, in the very first session, Robert J. Gordon and Erik Brynjolfsson will ascend the stage for a debate on the future of work. While Gordon will focus on how our current ecosystem of innovation is too focused on personal gadgetry, and thus isn’t setting us up to solve the big problems of the future, Brynjolfs...

Chris Bennett is a Silicon Valley-based entrepreneur and early childhood education advocate who's passionate about harnessing the internet for social good.

A pioneer in brush technique, drummer Clayton Cameron has toured with Sammy Davis Jr., Tony Bennett and jazz legend Kenny Burrell.