Margot Sanger-Katz and Meghan McCarthy

Margot Sanger-Katz is the health care correspondent for National Journal. Meghan McCarthy covers health policy throughout Washington for National Journal.

Video

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.

Video

What Happens in 60 Seconds

Quantifying human activity around the world

Writers

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