Continuing our science and technology encore week, we spoke with Illinois scientists and doctors about their research on working to prevent life-threatening food allergies. Also, a new generation of evangelical Christians is hoping to move the needle on climate change action within their congregations, including at Wheaton College. Plus, we spoke with researchers about gravitational waves detections that helped shed light on entire populations of black holes.

Michael Chrzastowski worked for years as a geologist at the University of Illinois. Instead of retirement, however, he decided to pursue a second career in religion. Now, the Lutheran helps Christians better understand Islam.