News in a nutshell

Pesticides affect children's IQ; questions about how human cancers spread; a promising AIDS trial halted

Bob Grant
Bob Grant

Bob started with The Scientist as a staff writer in 2007. Before joining the team, he worked as a reporter at Audubon and earned a master’s degree in science journalism...

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Apr 20, 2011
This week's news includes a link between pesticide exposure and lower IQ in kids, a challenge to a popular cancer metastasis model, discovery of a key melanoma mutations, the failure of an HIV trial, and fighting cancer with counterfeit nabbing nanoparticles.Prenatal pesticides ding IQ
Image: Courtesy of USDA
Unborn children exposed to organophosphate pesticides during gestation suffer IQ deficits as school-aged kids, according to a trio of papers published this week. The three independent studies, which were published today on the website of the journal __Environmental Health Perspectives__, measured the levels of common agricultural pesticides in the bodies of pregnant women and then tracked the cognitive development of their children between 6 and 9 years of age. Each study found, via intelligence tests of the kids, that the women exposed to higher levels of pesticides while pregnant had children with lower IQs. You can read each of the studies...
How does your cancer grow?Melanoma exome yields key insightsPromising HIV trial shut down__ScienceInsider__How phony Benjamins are like early tumors



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