The text discusses the eradication of screwworms, a parasitic threat to warm-blooded creatures in North America. Edward F. Knipling's innovative method involving sterile insects successfully eliminated the screwworm decades ago. This intervention, funded by US taxpayers, stands as a significant environmental success. Now, with climate change and potential mass extinction looming, the screwworms are reappearing. This resurgence forces ethical questions about intentionally eliminating a species, even a harmful one. The text credits various individuals and sources who contributed to the information. It also provides links to related videos, podcasts, articles, and archival materials. The episode encourages audience engagement through email, social media, and support for Radiolab. Finally, the text acknowledges funding and support from several foundations for Radiolab's science programming and foundational backing.