Now that NASA’s Curiosity Rover has been on Mars for a year, you may be wondering what the biggest discoveries have been so far. SciShow looks at the three biggest discoveries by Curiosity during its first year of operation in this informative video.

3 Awesome Discoveries Made by Curiosity [YouTube]

via How-To Geek http://www.howtogeek.com/170426/three-awesome-discoveries-made-by-curiosity/