This episode is based on several Popular Science articles, including: “Do I really need to wear sunscreen every day? SD: And this week, we’re wondering about sunscreen, specifically, what are the most common sunscreen myths—something, Laura, you’re kind of an expert on. Laura, now before we get into all of these sunscreen myths, I kind of wanted to know: Who invented sunscreen? SD: Yeah, yeah, and lead is no picnic either. LB: As someone who swims for long periods of time outside, I really, really wish this one was true, but it’s not.