[BONUS] The woman who mapped the Milky Way and a toxic evolutionary showdown: Tiny Show and Tell Us #38

In this episode of Tiny Show and Tell Us, we kick things off with a quick shout-out to a listener who started flossing thanks to a previous episode. Then we dive into the hidden history of the women “computers” at Harvard Observatory, including Henrietta Leavitt, who laid the foundation for modern astronomy with her groundbreaking discoveries including calculating the size of the Milky Way. Then we discuss the co-evolutionary arms race between passion vines and Heliconius butterflies, which includes fake eggs, toxic fruit, and impaled caterpillars.We need your stories — they're what make these bonus episodes possible! Write in to [email protected] *or fill out this form* with your favorite science fact or science news story for a chance to be featured.A transcript and references for this episode can be found at acs.org/tinymatters.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.