Green Blog: A One-Stop Shop for Water Worries

Water, or the lack thereof, is one of the defining challenges of the 21st century. As temperatures rise and droughts become more frequent, the threat of dwindling water resources worries not just environmentalists and governments but companies and their...

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Green Blog: Lost Actors in a Haunting Landscape

My son, Luca, and I were perched in a basket high on the back of a towering Asian elephant, swaying rhythmically back and forth to its lumbering gait. The driver, or mahout, straddled the animal's neck, calling out frequently in a secret language of...

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Malnourished Gain Lifesaver in Antibiotics

Two studies of malnourished children offer the first major new scientific findings in a decade about the causes and treatment of severe malnutrition, which affects more than 20 million children around the world and contributes to the deaths of more...

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Green Blog: Market for Bear Bile Threatens Asian Population

European Pressphoto Agency Bears await food on a farm in Fujian Province in China that is run by the pharmaceuticals maker Guizhentang. The company legally makes tonics from bear bile.The six bears that arrived this month at Animals Asia, an animal rescue...

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Green Blog: Ski Resort Needs Bigger Wastewater Signs, Agency Says

As I reported here earlier this month, after a decade of legal battles Arizona Snowbowl recently became the first ski area in the world to make snow totally out of wastewater. It is piped directly from a sewage treatment plant in neighboring Flagstaff.That...

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F.D.A. Approves Genetic Drug to Treat Rare Disease

The Food and Drug Administration approved a new drug Tuesday that not only treats a rare inherited disorder that causes extremely high cholesterol levels and heart attacks by age 30, but does so using a long-sought technology that can shut off specific...

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Green Blog: Market for Bear Bile Threatens Asian Population

European Pressphoto Agency Bears await food on a farm in Fujian Province in China that is run by the pharmaceuticals maker Guizhentang. The company legally makes tonics from bear bile.The six bears that arrived this month at Animals Asia, an animal rescue...

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Science Workers Focus of Second Bipartisan Immigration Plan

As one bipartisan group of senators released its blueprint on Monday for a comprehensive overhaul of the immigration laws, another group in the Senate was ready to present a proposal addressing one dysfunctional aspect of the system: a shortage of...

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Temperature Swings Not Uncommon in Kansas City, Missouri

KANSAS CITY, Mo. — T. J. Abogado huffed and puffed, his buzz cut and face sprinkled with sweat. He was wearing short navy blue shorts, but his red T-shirt was now in his hand. "It got too hot," Mr. Abogado, 27, said on Monday afternoon after jogging...

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Ariel Sharon Brain Scan Shows Response to Stimuli

JERUSALEM — A brain scan performed on Ariel Sharon, the former Israeli prime minister who had a devastating stroke seven years ago and is presumed to be in a vegetative state, revealed significant brain activity in response to external stimuli, raising...

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Saving Tasmanian Devils From Extinction

In November, a team of biologists journeyed to Maria Island, three miles off the Australian island state of Tasmania, taking with them 15 plastic cylinders. They loaded the cylinders into S.U.V.'s, drove them to an abandoned farm and scattered them...

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2 Science Projects to Receive Billion-Euro Award

BRUSSELS — Projects to imitate the brain and to develop new materials for information technology have won awards of about 1 billion euros each that will be announced Monday by the European Commission. The awards, the largest of their kind ever made...

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Green Blog: On Our Radar: A Spinning Solar Cell

A solar venture says it has developed a "spin cell" technology using specialized lensing and a rotating conical shape that could generate five times more electricity from a given amount of land than conventional solar methods. It says the electricity...

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Dot Earth Blog: Weaker Global Warming Seen in Study Promoted by Norway's Research Council

Purveyors of climate doubt have seized on a news release from the Research Council of Norway with this provocative title: "Global warming less extreme than feared?" The release describes new research finding that global warming from the buildup of greenhouse...

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Donald Hornig, A-Bomb Scientist and Brown President, Dies at 92

In a small shed at the top of a 100-foot-tall steel tower deep in the New Mexico desert, Donald Hornig sat next to the world's first atomic bomb in the late evening of July 15, 1945, reading a book of humorous essays. A storm raged, and he shuddered...

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F.D.A. Panel Recommends Restrictions on Hydrocodone Products Like Vicodin

Trying to stem the scourge of prescription drug abuse, an advisory panel of experts to the Food and Drug Administration voted on Friday to toughen the restrictions on painkillers like Vicodin that contain hydrocodone, the most widely prescribed drugs...

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Court Overturns E.P.A.’s Biofuels Mandate

WASHINGTON — A federal appeals court threw out a federal rule on renewable fuels on Friday, saying that a quota set by the Environmental Protection Agency for incorporating liquids made from woody crops and wastes into car and truck fuels was based...

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Time and Punishment: Police Have Done More Than Prisons to Cut Crime in New York

Todd Heisler/The New York Times Officers on patrol in the 73rd Precinct in Brooklyn. Under Commissioner Raymond W. Kelly, the New York police have focused on crime-prone areas, aided by computer mapping. Now that the United States has the world's...

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