Word: environmental
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Dates: during 2000-2009
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That's not surprising for a disorder as complex as autism - actually, a spectrum of developmental disorders involving impairment in language, social behavior and certain physical behaviors - with symptoms that range widely in number and severity. So far, studies have linked a handful of genes, all of which play a...
The injection of demand into the old GDR, of course, took place in a very different environment from today's. Its key purpose was as much political as economic: to create a reunited Germany, with shared values, from the two states that were the legacy of World War II. But...
...enough on their own. An American farm uses about 90 lb. (41 kg) of fertilizer per acre per year. In Africa, the average is a little more than 3 lb. (1.4 kg). "In some parts of the United States, overutilization of fertilizer may indeed have become an environmental problem," says DeVries. "In Africa we're seeing that underutilization is the problem." When degraded soil blows away, frustrated farmers turn to the forests for more land. A farmer applying as little as a coke-bottle cap of fertilizer for each stalk of corn could potentially triple his yields - and benefit...
So, were the hundreds of U.S. school closures and the presidential press conferences about hand-washing much ado about not that much? Unfortunately not. As health officials pointed out repeatedly, we're still in the early days of the H1N1 outbreak, and influenza viruses are notoriously unpredictable. Right now the...
Then a new source of hope appeared. Two days after his Inauguration, Barack Obama made his campaign pledge to close the U.S. detention facility at Guantánamo Bay, Cuba, into an Executive Order. Quickly, the prison's backers made a new pitch: Why not house some of those 240 detainees...