Once upon a time, you would have thought long and hard before you bought sneakers from a stranger in another country or rented out your home to one. So what made you feel it was safe, useful and okay? Trust researcher Rachel Botsman explains the process.

Put your bot-sniffing skills to the test, and see how you do.

We’re on the brink of a future beyond what we can fathom — a future with driverless cars, designer babies, intelligent robots, and digital doppelgangers. Who will you choose to be in that future? How will it change you?

In one of the world’s most polluted cities, there’s a futuristic tower that sucks up smog, turns it into clean air, and filters out the smog particles so they can be turned into diamonds.

It’s because infants understand what other humans are drawn to, and they copy their behavior and learn from it. Even as adults, our actions continue to be driven — often unconsciously — by others.

Elementary school teacher Kayla Delzer’s students tweet, post on Instagram and watch YouTube in class. Here’s why she thinks all kids should do the same.

People worldwide upload more than one billlion images a day, preserving our memories so they can be enjoyed in the future. But it turns out: all our photography may be obstructing our recall, says tech podcaster Manoush Zomorodi.