What is AI, really? Jeff Dean, the head of Google's AI efforts, explains the underlying technology that enables artificial intelligence to do all sorts of things, from understanding language to diagnosing disease -- and presents a roadmap for building better, more responsible systems that have a deeper understanding of the world. (Followed by a ...

Scientific discoveries, futurist Juan Enriquez notes, demand a shift in code, and our ability to thrive depends on our mastery of that code. Here, he applies this notion to the field of genomics.

DNA isn't the only builder in the biological world -- there's also a mysterious bioelectric layer directing cells to work together to grow organs, systems and bodies, says biologist Michael Levin. Sharing unforgettable and groundbreaking footage of two-headed worms, he introduces us to xenobots -- the world's first living robots, created in his ...

Ed Boyden shows how, by inserting genes for light-sensitive proteins into brain cells, he can selectively activate or de-activate specific neurons with fiber-optic implants. With this unprecedented level of control, he's managed to cure mice of analogs of PTSD and certain forms of blindness. On the horizon: neural prosthetics. Session host Juan ...

After a catastrophic car accident that left him in a coma, Simon Lewis found ways to recover -- physically and mentally -- beyond all expectations. At the INK Conference he tells how this remarkable story led him to concern over all threats to consciousness, and how to overcome them.

Onstage at TED2014, Google CEO Larry Page talks about his far-off vision for the company. It includes aerial bikeways and internet balloons ... and then it gets even more interesting, as Page talks through the company's recent acquisition of Deep Mind, an AI that is learning some surprising things.

In a moving talk, journalist Johann Hari shares fresh insights on the causes of depression and anxiety from experts around the world -- as well as some exciting emerging solutions. "If you're depressed or anxious, you're not weak and you're not crazy -- you're a human being with unmet needs," Hari says.

Dean Ornish talks about simple, low-tech and low-cost ways to take advantage of the body's natural desire to heal itself.

Bill Gross, the founder of Idealab, talks about his life as an inventor, starting with his high-school company selling solar energy plans and kits. Learn here about a groundbreaking system for solar cells -- and some questions we haven't yet solved.

Richard Dawkins urges all atheists to openly state their position -- and to fight the incursion of the church into politics and science. A fiery, funny, powerful talk.

Oxford mathematician Peter Donnelly reveals the common mistakes humans make in interpreting statistics -- and the devastating impact these errors can have on the outcome of criminal trials.

Laurie Santos looks for the roots of human irrationality by watching the way our primate relatives make decisions. A clever series of experiments in "monkeynomics" shows that some of the silly choices we make, monkeys make too.

In 1993, Bill and Melinda Gates took a walk on the beach and made a big decision: to give their Microsoft wealth back to society. In conversation with Chris Anderson, the couple talks about their work at the Bill & Melinda Gates Foundation, as well as their marriage, their children, their failures and the satisfaction of giving most of their...

"Freakonomics" author Steven Levitt presents new data on the finances of drug dealing. Contrary to popular myth, he says, being a street-corner crack dealer isn't lucrative: It pays below minimum wage. And your boss can kill you.

At Serious Play 2008, Charles Elachi shares stories from NASA's legendary Jet Propulsion Lab -- including tales and video from the Mars Rover project.

Bill Strickland tells a quiet and astonishing tale of redemption through arts, music, and unlikely partnerships.

Cambridge researcher Aubrey de Grey argues that aging is merely a disease -- and a curable one at that. Humans age in seven basic ways, he says, all of which can be averted.

We teach girls that they can have ambition, but not too much ... to be successful, but not too successful, or they'll threaten men, says author Chimamanda Ngozi Adichie. In this classic talk that started a worldwide conversation about feminism, Adichie asks that we begin to dream about and plan for a different, fairer world -- of happier men and...

Accepting his 2008 TED Prize, author Dave Eggers asks the TED community to personally, creatively engage with local public schools. With spellbinding eagerness, he talks about how his 826 Valencia tutoring center inspired others around the world to open

A computer simulation of human physiology has already been used to improve the way new drugs and treatment protocols are developed and tested, the way physicians and other medical professionals are trained, and the way astronauts and soldiers are prepared for physiological hardships. In his talk, Dr. Hester describes ideas that he and his team h...

Paradigm shifts in higher education

Very simple pictures and drawings are an effective way for patients and family caregivers to communicate health care needs. Visuals are not only time-savers, they’re tools for creating deeper empathy and connection. Thanks to a growing movement known as Graphic Medicine, visual narratives can help patients to be seen as human beings with stories...

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We are not wise sapiens, but Homo Anxious. We need purpose to direct our lives. When we are scared, we regress to a more primitive part of the brain the amygdala where we construct bifurcated narratives of ‘us versus them.’ This feeds a polarization and dehumanization by othering the other; and ‘we’ always are the heroes. Ideas are beliefs, a...

So you think you are not creative? Anna Hester Skelton challenges that idea by discussing how it is important to be creative even if you don’t think you can be.

We talk about how segregation and lack of funding create hierarchies in the education system.