Scientists Just Captured Trees Glowing with Electricity During Storms

That phenomenon, known as corona discharge, involves tiny bursts of electricity forming at the tips of leaves. These faint electrical pulses can cause treetops to emit a subtle glow in the ultraviolet (UV) range. Scientists have suspected for more than 70 years that forests might produce these effects during storms due to unusual electric field activity, but direct evidence in nature had remained elusive.

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