Ever wonder why we can't seem to stop our noses from running the second the thermometer drops below 32 degrees? This video from the Sci Show says we should blame biology and physics: Our body produces more mucus when it's cold to keep our nasal cavities moist (how delightful), and water droplets form when the hot air in our lungs meets the frigid temps outside. Combined, they get our nose running faster than a marathon runner. 

READ THIS NEXT: When Is It Too Cold to Exercise Outside?
 

Take on too much in the New Year?

We'll make crushing your goals a whole lot easier by sending you a healthyish idea you can do every day.
Sign up to get healthy ideas
via Facebook Messenger
 
CLOSE

Sign up for a daily healthyish text message

Status Available in the U.S. and Canada only. Clicking "SIGN UP" means you would like to receive text messages from Greatist. Msg & Data rate many apply. Text STOP to cancel or HELP for help.