The Fountains and Streams of the Yosemite

"All the streams are in flood and the birds are singing, and the landscape is glowing in a deep calm enthusiasm, like the face of a god."


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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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