What Is the Koran?

Researchers with a variety of academic and theological interests are proposing controversial theories about the Koran and Islamic history, and are striving to reinterpret Islam for the modern world. This is, as one scholar puts it, a "sensitive business"

Forgotten Benefactor of Humanity

Norman Borlaug, the agronomist whose discoveries sparked the Green Revolution, has saved literally millions of lives, yet he is hardly a household name

The Liquid Earth

Landslides and other "ground failures" cost more lives and more money each year than all other natural disasters combined, and their incidence appears to be rising. Nevertheless, the government devotes few resources to their study—and the foolhardy continue to build and live in places likely to be consumed one day by avalanches of mud

Going All Out for Chinese

Some of the best Chinese food in the world is being served in Los Angeles's new Sino-suburbs


Video

Where Time Comes From

The clocks that coordinate your cellphone, GPS, and more

Video

Computer Vision Syndrome and You

Save your eyes. Take breaks.

Video

What Happens in 60 Seconds

Quantifying human activity around the world

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