Childhood Obesity

US mothers from 1965 to 2010: More TV, less housework

New research from the University of South Carolina's Arnold School of Public Health shows that mothers in the U.S. are far less physically active than they were in previous decades and now spend more time engaged in sedentary ...

Dec 02, 2013
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A hybrid vehicle that delivers DNA

A new hybrid vehicle is under development. Its performance isn't measured by the distance it travels, but rather the delivery of its cargo: vaccines that contain genetically engineered DNA to fight HIV, cancer, ...