Viewpoints

Last summer, the ground erupted in sound. What caused this rare, deafening phenomenon — and how do cicadas know when it’s time to emerge after several years underground? Learn More: https://viewpointsradio.org/viewpoints-explained-the-secret-timing-of-cicadas Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.