Mysterious "superbolts" are 1000x as intense as regular lightning, packing a 100-billion-volt wallop. A new study finds that superbolts also strike in unexpected places--especially over water in the North Atlantic & Mediterranean. #earth #science #nature https://news.agu.org/press-release/scientists-figured-out-what-causes-earths-strongest-lightning https://files.mastodon.social/media_attachments/files/111/167/852/117/767/386/original/2841d50c100ca9c7.jpg