Word: leaded
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...that low-level clouds tend to dissipate as the ocean warms - which means a warmer world could well have less cloud cover. "That would create positive feedback, a reinforcing cycle that continues to warm the climate," says Amy Clement, a climate scientist at the University of Miami and the lead author of the Science study...
...Vinas informed U.S. officials of an Al Qaeda plot to blow up a Long Island Rail Road commuter train in New York's Penn Station, saying that he had provided them with details of the New York transit system. This revelation lead authorities to issue a Nov. 25 2008 terror alert...
...difference in four points could be educationally meaningful in terms of school success," says Frederica Perera, director of the Columbia Center for Children's Environmental Health and lead author of the study. The effect is comparable, she says, to the damage seen in children exposed to low levels of the toxic metal lead. (See how to prevent illness...
...relationship between PAH exposure and IQ holds up when other possible risk factors are taken into account, including exposure to lead, pesticides and secondhand smoke and the mother's level of education...
Studying a combination of factors can help explain why some kids are more likely to develop asthma than others, says Rob McConnell, lead author of the study, published in Proceedings of the National Academy of Sciences. "Childhood asthma is a complex disease and probably has many contributing causes," he says. "This study provides another clue as to what might be causing it." (See nine kid foods to avoid...