For better or worse, we are all too familiar with hand sanitizer and disinfection nowadays. But have you ever read the label on your hand sanitizer? Does it REALLY kill 99.9% of germs? Who are the 0.1%? Welcome to the first full episode of The Secret Life of Numbers podcast. Join the hosts, Levannia Lildhar and Lindsay Booth, as they hunt down how we arrive at 99.9%, how disinfectants are tested for efficacy, and discuss whether soap and water is really better than hand sanitizer.