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The longest longitudinal study of humans ever conducted is called the Harvard Grant Study. It found that professional success in life comes from having done chores as a kid, and the earlier you started, the better

This is Don Fletcher. He lived in the San Francisco Bay Area (La Honda) He was seized by IRS in January, 2002. Spent time in Lompoc and Texas. Died in prison April, 2004. Yes, he took his Christianity pretty seriously. Very nice guy, I miss him.

How do we make sense of today's political divisions? In a wide-ranging conversation full of insight, historian Yuval Harari places our current turmoil in a broader context, against the ongoing disruption of our technology, climate, media -- even our notion of what humanity is for. This is the first of a series of TED Dialogues, seeking a thoughtful response to escalating political divisiveness. Make time (just over an hour) for this fascinating discussion between Harari and TED curator Chris Anderson.

We're building an artificial intelligence-powered dystopia, one click at a time, says technosociologist Zeynep Tufecki. In an eye-opening talk, she details how the same algorithms companies like Facebook, Google and Amazon use to get you to click on ads are also used to organize your access to political and social information. And the machines aren't even the real threat. What we need to understand is how the powerful might use AI to control us -- and what we can do in response.