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By Nicola Nosengo of Nature magazine Six Italian seismologists and one government official will be tried for the manslaughter of those who died in the earthquake that struck the city of L'Aquila on 6 April 2009. The seven were on a committee that had been tasked with assessing the risk associated with recent increases in seismic activity in the area. [More]

“If climate change drives temperature up a degree or two,” goes the common dismissal, “how bad could that be?” [More]

BOSTON--Astronomy is facing a lean decade. That was the message handed down by senior representatives of the federal agencies that fund much of the field's research in the U.S.

Key concepts Ice and water [More]

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By Edwin Cartlidge of Nature magazine Now that's precision measurement: the electron is a perfect sphere, give or take barely one part in a million billion. The result comes from the latest in a long line of experiments to probe the shape of the fundamental particle that carries electrical charge. [More]

What should you do when you hear a tornado warning and have only minutes to act? Our friends at AccuWeather.com have produced this short (1:15) video explaining common misconceptions. [More]

While the search for survivors of the nightmarish Joplin, Mo., tornado is still far from over, AccuWeather.com meteorologists are forecasting that another round of deadly storms is about to occur today. As of Tuesday afternoon, the death toll had already raised to 118, ranking the event among the top 10 deadliest U.S. tornadoes of all time.

The search for ways to prevent or treat Alzheimer's disease has been stymied in part by difficulties in reliably delivering therapeutics into the brain to prevent proteins there from depositing fibrous plaques that damage synapses and ultimately wreck one's cognitive abilities. Researchers have experimented with antibodies, peptides and even nanoparticles to find some way of effectively preventing plaque formation but these efforts have yet to yield an anti-Alzheimer's drug.

A jumping cockroach.

Dear EarthTalk : What is “tar sands oil” and what is the controversy over possibly building a pipeline for it from Canada into the United States?-- Bill Berkley, Omaha, Neb.

Today we saw land for the first time in days! Everyone was on deck together, untying the lines, taking photos and waving to the crew aboard a container ship that was docked in the marina. Stepping on land was wonderful, although I still feel like I’m swaying back and forth.

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Key concepts Water cycle [More]

TOKYO, May 25 (Reuters) - Japanese engineers are trying togain control of the Fukushima Daiichi nuclear power plant, 240 [More]