Unveiling ignis fatuus - #Microlightning between microbubbles: https://www.pnas.org/doi/full/10.1073/pnas.2521255122 -> New theory may at last explain a swamp’s ghostly will-o’-the-wisps: https://www.snexplores.org/article/swamp-gas-methane-will-o-wisp-chemistry = https://www.sciencenews.org/article/spark-will-o-the-wisps - methane bubbles spark tiny zaps of electricity that may ignite cool flames of the gas. (Has nothing - obvious, at least - to do with astronomy ... but fun nonetheless.)