Liquid Water on Mars

Today, NASA announced that there is...occasionally...flowing, liquid water on the surface of Mars. What?! Surf Mars shirt: http://store.dftba.com/products/surf-mars-shirt Surf Mars poster: http://store.dftba.com/products/surf-mars-poster Water on Mars poster: http://store.dftba.com/products/water-on-mars-poster Hosted by: Hank Green ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn t make SciShow without them! Shout out to Justin Ove, Justin Lentz, David Campos, Chris Peters, and Fatima Iqbal. ---------- 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: 2014 RSL Paper in Nature Geoscience: http://www.nature.com/ngeo/journal/v7/n1/full/ngeo2014.html Perchlorate on Mars: http://www.space.com/21554-mars-toxic-perchlorate-chemicals.html They Hydrology of Don Juan Pond: https://news.brown.edu/articles/2013/02/antarctica RSL Exploration Debate: http://www.space.com/30618-mars-water-streaks-rsl-mystery.html