Perry Knize

  • Winning the War for the West

    After fiercely battling each other over the best use of public lands, some ranchers and environmentalists are beginning to agree: letting livestock graze can benefit the environment

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

Up
Down