Ellen K. Feder

Ellen K. Feder teaches philosophy at American University in Washington, D.C. She is the author of Making Sense of Intersex.

  • Germany Has an Official Third Gender

    Children born with atypical sexual anatomy will now have their gender left blank instead of being categorized as male or female. To avoid this, parents may hastily opt for "normalizing" surgeries.

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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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