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Jeff Han: The radical promise of the multi-touch interface

Jeff Han shows off a cheap, scalable multi-touch and pressure-sensitive computer screen interface that may spell the end of point-and-click.
( 2011-11-08 , Grade: 6.8 )

Eve Ensler: Happiness in body and soul

Eve Ensler, creator of The Vagina Monologues, shares how a discussion about menopause with her friends led to talking about all sorts of sexual acts onstage, waging a global campaign to end violence toward women and finding her own happiness.
( 2011-11-08 , Grade: 8.6 )

Raghava KK: Shake up your story

Artist Raghava KK demos his new children's book for iPad with a fun feature: when you shake it, the story -- and your perspective -- changes. In this charming short talk, he invites all of us to shake up our perspective a little bit.
( 2011-11-08 , Grade: 5.9 )

Lee Cronin: Making matter come alive

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 inorganic molecules -- no carbon -- that can assemble, replicate and compete.
( 2011-11-08 , Grade: 6.7 )

Lucianne Walkowicz: Finding planets around other stars

How do we find planets -- even habitable planets -- around other stars? By looking for tiny dimming as a planet passes in front of its sun, TED Fellow Lucianne Walkowicz and the Kepler mission have found some 1,200 potential new planetary systems. With new techniques, they may even find ones with the right conditions for life.
( 2011-11-08 , Grade: 8.5 )

Bjorn Lomborg: Global priorities bigger than climate change

Given $50 billion to spend, which would you solve first, AIDS or global warming? Danish political scientist Bjorn Lomborg comes up with surprising answers.
( 2011-11-08 , Grade: 6.7 )

Edward Burtynsky: My wish: Manufactured landscapes and green education

Accepting his 2005 TED Prize, photographer Edward Burtynsky makes a wish: that his images -- stunning landscapes that document humanity's impact on the world -- help persuade millions to join a global conversation on sustainability.
( 2011-11-08 , Grade: 7.4 )

Philip K. Howard: Four ways to fix a broken legal system

The land of the free has become a legal minefield, says Philip K. Howard -- especially for teachers and doctors, whose work has been paralyzed by fear of suits. What's the answer? A lawyer himself, Howard has four propositions for simplifying US law.
( 2011-11-08 , Grade: 7.0 )

Kevin Kelly: Technology's epic story

In this wide-ranging, thought-provoking talk from TEDxAmsterdam, Kevin Kelly muses on what technology means in our lives -- from its impact at the personal level to its place in the cosmos.
( 2011-11-08 , Grade: 8.3 )

Steven Johnson: How the "ghost map" helped end a killer disease

Author Steven Johnson takes us on a 10-minute tour of The Ghost Map, his book about a cholera outbreak in 1854 London and the impact it had on science, cities and modern society.
( 2011-11-08 , Grade: 11.0 )

Bono: My wish: Three actions for Africa

Musician and activist Bono accepts the 2005 TED Prize with a riveting talk, arguing that aid to Africa isn't just another celebrity cause; it's a global emergency.
( 2011-11-07 , Grade: 5.4 )

Larry Brilliant: My wish: Help me stop pandemics

Accepting the 2006 TED Prize, Dr. Larry Brilliant talks about how smallpox was eradicated from the planet, and calls for a new global system that can identify and contain pandemics before they spread.
( 2011-11-07 , Grade: 7.4 )

Robert Fischell: My wish: Three unusual medical inventions

Accepting his 2005 TED Prize, inventor Robert Fischell makes three wishes: redesigning a portable device that treats migraines, finding new cures for clinical depression and reforming the medical malpractice system.
( 2011-11-07 , Grade: 8.9 )

Cameron Sinclair: My wish: A call for open-source architecture

Accepting his 2006 TED Prize, Cameron Sinclair demonstrates how passionate designers and architects can respond to world housing crises. He unveils his TED Prize wish for a network to improve global living standards through collaborative design.
( 2011-11-07 , Grade: 6.8 )

Christoph Adami: Finding life we can't imagine

How do we search for alien life if it's nothing like the life that we know? Christoph Adami shows how he uses his research into artificial life -- self-replicating computer programs -- to find a signature, a "biomarker," that is free of our preconceptions of what life is.
( 2011-11-07 , Grade: 7.9 )

Saul Griffith: Everyday inventions

Inventor and MacArthur fellow Saul Griffith shares some innovative ideas from his lab -- from "smart rope" to a house-sized kite for towing large loads.
( 2011-11-07 , Grade: 7.8 )

Aimee Mullins: The opportunity of adversity

The thesaurus might equate "disabled" with synonyms like "useless" and "mutilated," but ground-breaking runner Aimee Mullins is out to redefine the word. Defying these associations, she hows how adversity -- in her case, being born without shinbones -- actually opens the door for human potential.
( 2011-11-07 , Grade: 9.2 )

Nick Bostrom: A philosophical quest for our biggest problems

Oxford philosopher and transhumanist Nick Bostrom examines the future of humankind and asks whether we might alter the fundamental nature of humanity to solve our most intrinsic problems.
( 2011-11-07 , Grade: 9.1 )

David Deutsch: Chemical scum that dream of distant quasars

Legendary scientist David Deutsch puts theoretical physics on the back burner to discuss a more urgent matter: the survival of our species. The first step toward solving global warming, he says, is to admit that we have a problem.
( 2011-11-07 , Grade: 9.3 )

Jennifer Lin: Improvising on piano, aged 14

Pianist and composer Jennifer Lin gives a magical performance, talks about the process of creativity and improvises a moving solo piece based on a random sequence of notes.
( 2011-11-07 , Grade: 4.6 )