50 Years Ago Life 50 years ago, flesh-eating screwworms pushed scientists to mass produce flies Excerpt from the June 2, 1973 issue of Science News Screwworms crawl into open wounds of warm-blooded animals, including humans, and gorge on living tissue. To wipe out the pests, researchers deploy sterilized screwworm flies to mate in infested areas, resulting in eggs that can’t hatch. John Kucharski Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Nikk Ogasa June 8, 2023 at 8:00 am Fly factory planned for Mexico — Science