Water doesn't ever "go bad." Regardless, we wouldn't recommend drinking from the oldest pool of water ever discovered. This water predates the development of multicellular life on Earth, after all. So, yeah, better not risk it. Take one look at the 2-billion-year-old puddle and you'll probably agree.
This Water Has Seen Some Stuff
World's Oldest Water Dates Back 2 Billion Years
Written by Joanie Faletto October 19, 2017
Wake up with the smartest email in your inbox.
Our best articles a few times a week.