Sanjana Chowhan

Sanjana Chowhan is a journalist based in New Delhi.

  • Living With Face Blindness

    Prosopagnosia is a condition that can make it impossible to recognize the faces of others, from friends to movie characters to parents. To varying degrees, it affects about two percent of people.

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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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