Not two

Thanks to both Sandy and Marie for sending on the link to this article that describes how tiny insects survive in the rain.
'Describing the the results, Dr Hu cited the Chinese martial art of Tai chi. "There is a philosophy that if you don't resist the force of your opponent, you won't feel it," he explained. "That's why they don't feel the force; they simply join the drop, become one item and travel together."'