科学素养与生活应用·英语30篇（4）

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蜜蜂如何感知花朵周围的电场：生物静电传感机制

Bees carry a slight positive electric charge as they fly due to friction with air molecules.
Flowers usually hold a weak negative charge, creating an electric field detectable within centimeters.
Tiny hairs on a bee’s body bend in response to these fields, triggering neural signals.
This electroreception helps bees distinguish recently visited flowers from untouched ones.
Researchers confirmed this using artificial flowers wired to emit controlled electric pulses.
The ability gives bees a 'sixth sense' beyond sight, smell, and touch during foraging.
Electric fields change when pollen is removed, offering real-time floral status updates.
Lab experiments show bees learn to associate specific field patterns with nectar rewards.
This discovery reshapes our understanding of insect-plant communication networks.
It also inspires new bio-inspired sensors for environmental monitoring and precision agriculture.