In an episode of the SciShow series Quick Questions, host Hank Green explains why we can see our breath in the cold. It has to do with the difference in dew point between the inside of the human lung and the colder air outside.
SciShow Explains Why We Can See Our Breath in the Cold
Glen Tickle
Amelia's dad. Steph's husband. Writer, comedian, gentleman. Good at juggling, bad at chess.