Post date: Sep 1, 2016 5:48:53 AM
3.7-billion-year-old fossils may be the oldest signs of life on Earth
https://www.washingtonpost.com/news/speaking-of-science/wp/2016/08/31/3-7-billion-year-old-fossils-may-be-the-oldest-signs-of-life-on-earth/
