Spotlight Real World Lab
In this Feb. 5, 2013 photo, science teacher Doug Mathias gives a vial with a DNA sample to Chavontaye Bush at Danville High School in Danville, Ill., in her Tech High science class where she was doing barcoding of different types of animals. The six-day lab is giving students a hands-on lesson in DNA purification and bar coding. It's part of a science course that's being piloted in six classrooms in the United States this year and funded by the Bill & Melinda Gates Foundation. (AP Photo/The News-Gazette, Rick Danzl) MANDATORY CREDIT
