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Hemerocallis sp. plants typically carry a negative electrical charge, while bees and other pollinators tend to accumulate a positive charge. Given that negatively and positively charged objects attract, a research team hypothesized that the difference in charges could attract Hemerocallis sp. stamens to the plants pollinators. Based on the team's experiments, the hypothesis was well supported for positive charges above a certain threshold. The team found that foraging honeybees exceeded that threshold, which suggests that