The Prison-Industrial Complex

Correctional officials see danger in prison overcrowding. Others see opportunity. The nearly two million Americans behind bars—the majority of them nonviolent offenders—mean jobs for depressed regions and windfalls for profiteers


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Where Time Comes From

The clocks that coordinate your cellphone, GPS, and more

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Computer Vision Syndrome and You

Save your eyes. Take breaks.

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What Happens in 60 Seconds

Quantifying human activity around the world

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