As students of all ages adjust to online classes during the pandemic, one course that can be hard to teach virtually is science. As WBEZ's Kate McGee reports, teachers are learning to make it work from afar. Also, some increasingly popular air conditioning systems don't bring in enough fresh air. University of Maryland environmental health professor Donald Milton joins host Robin Young to discuss one type of ultraviolent light system that disinfects inside air called upper-room UV. That and more, in hour one of Here & Now's May 19, 2020, full broadcast. You can find more at hereandnow.org — and follow us on Twitter, Instagram or join the conversation on Facebook.
This program aired on May 19, 2020.