3 Mars Mysteries We Really Should Have Solved By Now

We’ve learned a lot about Mars over the years, but we keep uncovering new mysteries — important, fundamental aspects of The Red Planet that we just can’t explain. Here are three of them. Hosted By: Reid Reimers ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Kevin Bealer, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, D.A. Noe, Charles Southerland, Fatima Iqbal, Sultan Alkhulaifi, Nicholas Smith, Tim Curwick, Alexander Wadsworth, Scott Satovsky Jr, Philippe von Bergen, Bella Nash, Chris Peters, Patrick D. Ashmore, Piya Shedden, Charles George ---------- 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 ---------- 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: https://www.space.com/31414-mars-methane-mystery-life-signs.html http://nautil.us/blog/theres-mysteriously-large-amounts-of-methane-on-mars https://www.space.com/17048-water-on-mars.html http://www.latimes.com/science/sciencenow/la-sci-sn-dry-ice-carbon-dioxide-water-gullies-mars-20151221-story.html https://phys.org/news/2011-12-gas-formed-gullies-norm-mars.html http://sciworthy.com/what-could-have-created-the-ancient-martian-rivers/ https://www.nasa.gov/press/2015/march/nasa-research-suggests-mars-once-had-more-water-than-earth-s-arctic-ocean http://www.techtimes.com/articles/29850/20150131/why-mars-two-hemispheres-are-drastically-different.htm https://www.universetoday.com/15262/two-faces-of-mars-explained/ http://www.futurity.org/mars-hemispheres-846802/ https://phys.org/news/2014-06-lava-canyons-mars.html http://news.nationalgeographic.com/news/2004/10/1007_041007_mars_methane_2.html http://www.planetary.org/blogs/guest-blogs/2016/0804-gullies-on-mars-wet-or-dry-ice.html ----------- Images: https://mars.nasa.gov/multimedia/images/?ImageID=6453 https://mars.nasa.gov/multimedia/images/?ImageID=5396 https://mars.nasa.gov/mer/gallery/press/opportunity/20120117a/PIA15277_3rovers-hi_D2011_1215_D511.jpg https://www.nasa.gov/sites/default/files/images/585497main_PIA09703_full.jpg https://www.nasa.gov/sites/default/files/images/462129main_PIA13186_full.jpg https://www.nasa.gov/sites/default/files/hrp-curiosity-rad-pia16239.jpg https://www.nasa.gov/sites/default/files/thumbnails/image/pia00271.jpg https://www.nasa.gov/sites/default/files/thumbnails/image/pia18538.jpg https://apod.nasa.gov/apod/image/0502/chasma_marsExpress_f50.jpg https://www.nasa.gov/sites/default/files/thumbnails/image/esp_040811_2410.jpg https://www.nasa.gov/image-feature/enhanced-color-panorama-above-perseverance-valley-on-mars https://www.jpl.nasa.gov/spaceimages/details.php?id=PIA20379 https://www.nasa.gov/multimedia/imagegallery/image_feature_1177.html