Autism — what we know (and what we don’t know yet)

In this calm and factual talk, geneticist Wendy Chung shares what we know about autism spectrum disorder — for example, that autism has multiple, perhaps interlocking, causes.

The psychology of your future self

"Human beings are works in progress that mistakenly think they're finished." Dan Gilbert shares recent research on a phenomenon he calls the "end of history illusion," where we somehow imagine that.

Hidden miracles of the natural world

This film by Louie Schwartzberg is spectacular. He bends the boundaries of time and space with high-speed cameras, time lapses and microscopes at with his film titled "Mysteries of the Unseen World.

Which country does the most good for the world?

It's an unexpected side effect of globalization: problems that once would have stayed local—say, a bank lending out too much money—now have consequences worldwide. But still, countries operate independently, as if alone on the planet.

Why athlete are getting faster, better and stronger.

Humans seem to be faster, better and stronger in almost every way. But as sports journalist David Epstein points out, many factors are at play when we dissect athletic records.

Matthew O’Reilly is a veteran emergency medical technician on Long Island, New York. In this talk, O’Reilly describes what happens next when a gravely hurt patient asks him: “Am I going to die?”

TED Talk Subtitles and Transcript: Matthew O’Reilly is a veteran emergency medical technician on Long Island, New York. In this talk, O’Reilly describes what happens next when a gravely hurt patient asks him: “Am I going to die?

Pamela Ronald: The case for engineering our food | Talk Video | TED.com

Food for thought.Embracing both genetically improved seed and ecologically based farming methods, Pamela Ronald aims to enhance sustainable agriculture. TED talks, Women of TED

Paul Tudor Jones II: Why we need to rethink capitalism | Talk Video | TED.com

Why we need to rethink capitalism. Millionnaire trader Paul Tudor Jones II talk about how we can use the principles of capitalism to save it from itself and build a more just economic system.

Technology allows us to give cash directly to the poorest people on the planet. Should we do it? In this thought-provoking talk, veteran aid worker Joy Sun explores two ways to help the poor.

Should you donate differently: Technology allows us to give cash directly to the poorest people on the planet. Should we do it? In this thought-provoking talk, veteran aid worker Joy Sun explores two ways to help the poor.

Sandra Aamodt: Why dieting doesn't usually work | Talk Video | TED.com

"Why dieting doesn't usually work." Neuroscientist Sandra Aamodt explains the science behind why dieting not only doesn't work, but is likely to do more harm than good. She suggests ideas for how to live a less diet-obsessed life, intuitively.

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