The Prostate Cancer Dilemma

The country is embarking on a huge screening program for prostate cancer which is likely to cost billions and may lead to many unnecessary operations, especially for elderly patients. But what may be bad at the national-policy level could be a lifesaver at the individual level for men in their fifties and early sixties.

Reverse Racism, or How the Pot Got to Call the Kettle Black

In America "whites once set themselves apart from blacks and claimed privileges for themselves while denying them to others," the author writes. "Now, on the basis of race, blacks are claiming special status and reserving for themselves privileges they deny to others. Isn't one as bad as the other? The answer is no."


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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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