Summers are getting hotter, with heat waves that last longer and occur more often. That makes it even more important to communicate the risks of heat to vulnerable groups and keep communities and individuals cool. Sustainability editor Andrea Thompson explains why it feels hotter than ever and how to keep yourself and your community safe in the summer heat.  Recommended reading: This Isn’t Your Grandparents’ Summer Heat How Some Common Medications Can Make People More Vulnerable to Heat E-mail us at [email protected] if you have any questions, comments or ideas for stories we should cover! Discover something new every day: subscribe to Scientific American and sign up for Today in Science, our daily newsletter.  Science Quickly is produced by Rachel Feltman, Fonda Mwangi, Kelso Harper, Madison Goldberg and Jeff DelViscio. This episode was hosted by Rachel Feltman, with special guest Andrea Thompson. Our show is edited by Elah Feder, Alexa Lim, Madison Goldberg and Anaissa Ruiz Tejada, with fact-checking by Shayna Posses and Aaron Shattuck. The theme music was composed by Dominic Smith. Learn more about your ad choices. Visit megaphone.fm/adchoices