The Missionary Enterprise in China

"When the government and people of the United States are ready to return to a dignified and decent policy in the treatment of the Chinese, we shall easily secure a renewal of their confidence in us."


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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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