Thor Halvorssen and Jamie Leigh Hancock

Thor Halvorssen is the president of the New York-based Human Rights Foundation, where Jamie Leigh Hancock is a program-and-development officer.

Video

Where Time Comes From

The clocks that coordinate your cellphone, GPS, and more

Video

Computer Vision Syndrome and You

Save your eyes. Take breaks.

Video

What Happens in 60 Seconds

Quantifying human activity around the world

Writers

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