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Then Raina Jain, a 17-year-old student who recently graduated from Greenwich High School and is headed to the University of Connecticut in just a few weeks. This past year she worked on a science project that has the potential to solve one of the world’s large-scale problems. She has designed an entranceway for beehives that can stop a varroa mite infestation in its tracks.
Her idea was simple. Create an entryway that deposits small amounts of thymol onto the bees. This naturally occurring pesticide kills off the mites while not harming the bees, the honey, or the wax inside the hive. Throughout the day each foraging bee will go through the entryway about 40 times. Each exit and entry replenishes the thymol onto the body of the bee and the mites gradually die off. In a lab setting, she discovered that the varroa mite population dropped off by 70% after three weeks. While these results were produced in a lab setting, Raina knew it would be important to validate her results in a real-world testing. So, in order to help test her invention, she enlisted volunteer beekeepers in California, Connecticut, Florida, Georgia, Nevada and Rhode Island.
https://archive.ph/jMTLd
https://www.forbes.com/sites/kevinanderton/2020/08/11/a-17-year-old-from-connecticut-is-saving-honey-bees/?sh=3b59b9ec29f6