Barry Garelick

Barry Garelick recently retired from the U.S. Environmental Protection Agency and obtained his credential to teach secondary math in California. He has written extensively about math education for various publications including Education Next, Educational Leadership, and Education News.

Barry Garelick: 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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