2019-08-26 by Stanford University
Water is everywhere on Earth, but maybe that just gives it more space to hide its secrets. Its latest surprise, Stanford researchers report Aug. 26 in Proceedings of the National Academy of Sciences, is that microscopic droplets of water spontaneously produce hydrogen peroxide.
https://phys.org/news/2019-08-chemists-microdroplets-spontaneously-hydrogen-peroxide.html