Welcome back to Ask Us Anything from Popular Science

Join us as we dive into your weirdest, most mind-burning questions–from the everyday things you’ve always wondered to the bizarre things you never thought to ask. This is… Ask Us Anything. New episodes drop every other Wednesday starting November 12, with more AUA questions and answers here: https://www.popsci.com/category/ask-us-anything/ Learn more about your ad choices. Visit megaphone.fm/adchoices