Why Do Our Noses Run in the Cold?

Have you ever had a romantic moment ruined by a cold runny nose? Michael Aranda explains why it happens in this episode of SciShow Quick Questions. Hosted by: Michael Aranda ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn t make SciShow without them! Shout out to Justin Ove, Chris Peters, Philippe von Bergen, Fatima Iqbal, John Murrin, Linnea Boyev, Justin Lentz, and David Campos. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources: References The basics (first bio, then physics) http://www.everydayhealth.com/healthy-living/why-does-your-nose-run-when-its-cold.aspx http://gurumagazine.org/science/why-does-cold-weather-make-your-nose-run/ Consequences of dried up nasal cavity http://sinuscure.org/dry-infection.html http://www.webmd.com/first-aid/nosebleeds-causes-and-treatments Mucus http://www.britannica.com/science/mucus http://news.discovery.com/human/health/mucus-cold-flu-season-120105.htm Nasolacrimal Duct http://www.aapos.org/terms/conditions/72 Mucous Membrane http://www.britannica.com/science/mucous-membrane http://www.merriam-webster.com/dictionary/mucous Images: Nasolacrimal Duct https://upload.wikimedia.org/wikipedia/commons/c/cf/Gray896.png