Charles C. Mann and Mark L. Plummer

  • The Butterfly Problem

    Because the government doesn't have the means to preserve endangered species, let alone a coherent plan its decisions are haphazard—and private landowners often find themselves paying for the preservation of species they've never heard of

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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