ADVANCE FOR WEEKEND EDITIONS, JULY 1-2 - In this June 16, 2017 photo, volunteers use magnifying glasses to get a closer look and compare samples to photos of invasive species in a waterproof handbook in Brainerd, Minn. They are the latest graduates from the AIS Detectors program, a joint project between the University of Minnesota Extension Service and the U's Aquatic Invasive Species Research Center. (Kirsti Marohn/Minnesota Public Radio via AP)
Featured Photo Galleries
