Thunderstorms can generate weak electrical discharges on the plants underneath, but until now, they had never been observed in nature ...

For the first time, researchers have observed and measured weak electrical discharges, known as coronae, on trees during thunderstorms. A new study describes the near-invisible sparkles appearing ...

In A Nutshell Penn State scientists captured the first direct evidence of trees producing faint electrical glows, called coronae, during live thunderstorms. The discharges hop erratically from leaf to ...