Kids swap DNA for fairground rides


Nature.com
If attendees at the Minnesota State Fair aren’t too busy revelling in the performances of Kiss or “Weird Al” Yankovic, or enjoying a celebrity cow-milking contest, they might just try spitting for science.

This week, researchers from the University of Minnesota in Minneapolis are collecting DNA from young fair-goers and their parents as part of an effort to uncover genetic influences on normal child health and development.