Mars has a lot of the nutrients needed for plants to grow, but it also has some added extras, including toxic perchlorates. How will future missions overcome these challenges? Go to https://squarespace.com/astrum to get a free trial and 10% off your first purchase. SUBSCRIBE for more videos about our other planets. Subscribe! http://goo.gl/WX4iMN Facebook! http://goo.gl/uaOlWW Twitter! http://goo.gl/VCfejs Donate! Patreon: http://goo.gl/GGA5xT Ethereum Wallet: 0x5F8cf793962ae8Df4Cba017E7A6159a104744038 Become a Patron today and support Astrum! Donate link above. I can't do it without you. Patreons can help pick the next Astrum Answers in a fortnightly poll. Thanks to those who have supported so far! Image Credits: NASA/20th Century Fox/Wageningen University Thumbnail Credit: Samuel van der Hoeven https://www.artstation.com/samtvdh