Word: environmental
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Dates: during 2000-2009
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In the first study, Paul Shaw at Washington University in St. Louis monitored the relationship between brain activity and sleep patterns in a group of fruit flies and isolated three key genes responsible for dictating how much sleep flies got in certain situations and when. Under normal conditions, flies doze...
Such alertness may not seem like a bad thing, except that in a second paper in the same issue of Science, Giulio Tononi at the University of Wisconsin found that sleep appears to function as a critical shutoff valve for the fruit-fly brain. After a period of sleep, the...
The Wartime Challenge Behind the neat desks and patriotic posters in 1,650 Army recruiting stations on Main Streets and in strip malls is a work environment as stressful in its own way as combat. The hours are long, time off is rare, and the demand to sign up at...
Lone Star Losses Nowhere has the pace been more punishing than inside the Houston Recruiting Battalion. One of every 10 of the Army's recruits last year came from Texas - the highest share of any state - and recruiters in Harris County enlisted 1,104, just 37 shy of first-place...
The House produced a long-awaited bill to regulate 85% of U.S. greenhouse-gas emissions, anteing up for what promises to be long, high-stakes negotiations with the Senate and business groups alarmed at the $1 trillion price tag that some estimate such an effort could entail. The effects of...