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DNA from a mass grave found in Athens in the mid-1990s helped experts identify typhoid fever as a possible source of the plague that killed off one quarter of the city’s population in the fifth century

Mangroves are tangled orchards of spindly shrubs that thrive in the interface between land and sea. They bloom in muddy soil where the water is briny and shallow, and the air muggy

The Lemelson–M.I.T. Program recognized four student inventors Wednesday poised to make a profound impact in the areas of disease diagnostics, drug development, assistive devices such as wheelchairs, and security screening for explosives

By Zo

Atheists The best thing about writing a story as a journalist is that you get to interact with astute readers who are never reticient about telling you what you missed in your reporting. My story, “ The Neuroscience of True Grit ,” the cover in the current issue, talks about what we know, and what we’re still trying to find out, about psychological resilience: the thing that

By Deborah Zabarenko, Environment Correspondent WASHINGTON (Reuters) - The 2010 Russian heat wave that killed thousands and cut into that country's grain harvest was primarily due to natural variability, not human-spurred climate change, U.S. scientists said on Wednesday. [More]

It took space shuttle Discovery several months to get off the ground on its final mission, but the shuttle's landing came off without a hitch. Discovery touched down on schedule, just before noon March 9, putting an end to its 26 years of service, in which the orbiter made 39 trips to space and logged more than 230 million kilometers. [More]

Can cleaner sources of energy not only power our economy but also drive a recovery from the Great Recession? That's the question confronted by policymakers across the U.S.--and by debaters in the Intelligence Squared series hosted March 8 by New York University. [More]

Nuclear power is evil. Solar power is our savior. Or…is it the other way around

In the March issue of Scientific American Carl Schoonover, author of Portraits of the Mind: Visualizing the Brain from Antiquity to the 21st Century , describes a new computer-modeling technique that allows researchers to zoom in on the smallest components of the active brain in 3-D. To accompany the story, we've collected images from his recent book , which describes the tools that scientists have used to observe the nervous system from the second century to the present.

By Alister Doyle, Environment Correspondent OSLO (Reuters) - The number of projects for capturing greenhouse gases from power plants and factories edged up in 2010 despite soaring costs and slow progress in U.N.-led efforts to slow climate change, a study showed on Tuesday. [More]

The numbers of fish and other ocean life have dropped dramatically in the past few decades. That’s because of commercial overfishing, and something called bycatch. [More]

By Jane Qiu Growing environmental costs and energy demands have persuaded China's leaders that the country cannot sustain its breakneck economic growth. [More]

Sleep deprivation can lead to plenty of unwise decisions, which researchers have long tied to flagging attention and short-term memory . But a new study shows how just one night of missed sleep can make people more likely to chase big gains while risking even larger losses--independent of their tapering attention spans. [More]

More than 18 million people in the U.S. have been diagnosed with diabetes , which costs an estimated $174 billion annually.