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Photograph by Robyn Twomey Photograph by Robyn Twomey Wikipedia director Sue Gardner has transformed the site's broken business into a growing hub with global ambitions.

When an earthquake strikes, the shaking doesn't start instantaneously. Instead, the most violent energy spreads out from the epicenter at a relatively modest 3.5 kilometers per second

Rapid urban growth and climate change will leave more than 1 billion urban dwellers with a water shortage by 2050, according to a study released last week.

The surface of the Dead Sea, already 424 meters below sea level, is falling by a meter a year. Jordanians to the east, Israelis to the west, and Syrians and Lebanese to the north are pumping so much freshwater from the Jordan River that almost none reaches the sea any more.

The Dead Sea is a place of mystery: the lowest surface on Earth, the purported site of Sodom and Gomorrah, a supposed font of curative waters and, despite its name, a treasure trove of unusual microbial life.

In philosophy of mind, a “cerebroscope” is a fictitious device, a brain-computer interface in today’s language, which reads out the content of somebody’s brain. An autocerebroscope is a device applied to one’s own brain.

Feeling uncertain about who you are and what you want to do with your life? Such doubt may lead you to sympathize with a radical or extremist group, according to a new study in the Journal of Experimental Social Psychology . Groups that rally around radical beliefs may provide a searching person with the sense of self and social identity they are lacking

If printers have the power to manufacture organs, why not brains? Or people? In "Too Hard For Science?" I interview scientists about ideas they would love to explore that they don't think could be investigated.

NEW YORK, April 3 (Reuters) - The National TransportationSafety Board will conduct a review of the safety system [More]

Humanity does things with lasting impact: we can dam a river or make a plateau from a mountaintop.

The town of New Ulm, Minn., some 90 miles outside of Minneapolis, is small. With a population of about 15,000, the self-proclaimed polka capital of the U.S

SACRAMENTO--It is one of the most poignant scenes ever captured in the human fossil record--a woman and two children buried together some 5,300 years ago on a bed of flowers, holding hands. They lived by the shores of a shallow freshwater lake in what is now Niger, at a time when the Sahara was green

[Audio from a video of Tourette sufferer Jaylen Arnold.] Tourette syndrome . You might think that someone who exhibits the physical and verbal tics of Tourette has less control of hismind than do non-Tourette people. [More]

Three weeks after the earthquake and tsunami that crippled Japan's Fukushima Daiichi nuclear power plant workers have made some headway in cooling the facility's overheated fuel rods. But overall, the situation remains "very serious," according to the International Atomic Energy Agency (IAEA) . Despite the ongoing work to stabilize the plant and fears that radioactive materials had contaminated tap water as far away as Tokyo, 240 kilometers to the south, most of the recommended restrictions on drinking water have been lifted.

By Eugenie Samuel Reich of Nature magazine Neutrinos have long perplexed physicists with their uncanny ability to evade detection, with as many as two-thirds of the ghostly particles apparently going missing en route from the Sun to Earth. [More]