Thanksgiving Leftover Ideas; Detecting COVID-19 Through Sound

Though the Thanksgiving meal might have been smaller this year, there may still be leftovers. Chef Kathy Gunst shares some of her leftover ideas. Also, a COVID-19 surge is putting pressure on testing supplies. Now, some scientists think they might have found a way to relieve that pressure. They say they can narrow down who should be tested by using sounds hidden in human vocal cords. IEEE Spectrum's Brett Dahlberg reports.