Welcome back to "Animal Slander," the series where we take common expressions about animals and debunk them with science. Today on the show, we tackle "birdbrained" and to "eat like a bird" with biologists <a href="https://twitter.com/hood_naturalist?ref_src=twsrc%5Egoogle%7Ctwcamp%5Eserp%7Ctwgr%5Eauthor">Corina Newsome</a> and <a href="http://www.alejorico.com/Home.html">Alejandro Rico-Guevara</a>. Follow Maddie and Emily on Twitter. Their usernames are <a href="https://twitter.com/maddie_sofia">@maddie_sofia</a> and <a href="https://twitter.com/emilykwong1234">@emilykwong1234</a>. Plus, send us your animal slander—and questions and praise—by emailing the show at <a href="mailto:shortwave@npr.org">shortwave@npr.org</a>. Learn more about sponsor message choices: <a href="https://podcastchoices.com/adchoices">podcastchoices.com/adchoices</a> <a href="https://www.npr.org/about-npr/179878450/privacy-policy">NPR Privacy Policy</a>

How Infectious Disease Shaped American Bathroom Design

New discoveries, everyday mysteries, and the science behind the headlines — in just under 15 minutes. It's science for everyone, using a lot of creativity and a little humor. Join hosts Emily Kwong and Regina Barber for science on a different wavelength.If you're hooked, try Short Wave Plus. Your subscription supports the show and unlocks a sponsor-free feed. Learn more at plus.npr.org/shortwave