Maria Kefalas

Maria Kefalas is a sociology professor at Saint Joseph's University and co-author of Hollowing Out the Middle: The Rural Brain Drain and What It Means for America

Maria Kefalas: This week

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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.

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What Happens in 60 Seconds

Quantifying human activity around the world

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