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For decades, biologists dreamed of radio devices small enough to outfit on insects so they could precisely track their movements. In recent years, tiny transmitters have been developed and applied to beetles, dragonflies, and crickets—and now, orchid bees. The experiment, which was conducted by researchers at the Smithsonian Tropical Research Institute on Barro Colorado Island in Panama, reveals the lengths that these pollinators will go to to reach the orchids that attract them.