Bioprecipitation: How Bacteria Makes Snow

Raindrops and snowflakes generally start to form around something else in the air, like a speck of dust, but sometimes that something else is bacteria. We’re conducting a survey of our viewers! If you have time, please give us feedback: Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: ---------- Dooblydoo thanks go to the following Patreon supporters: Kelly Landrum Jones, Sam Lutfi, Kevin Knup