COVID-19 Survivor Shows Gratitude; Arecibo Telescope Collapses

After being put on a ventilator while fighting COVID-19, Jeff Gerson launched a project to find the more than 134 hospital workers who attended to him. Gerson joins us to tell his story. And, the Arecibo telescope — a platform of radio receivers suspended over a massive dish — collapsed on Tuesday in Puerto Rico. We talk with Alyssa Goodman, astronomy professor at Harvard University.