Uh oh
Remnants of bacteria found in Canadian rock from 3.77 billion to 4.28 billion years ago may be oldest known fossils. https://t.co/5wB1hItnvj pic.twitter.com/ELpZ67WgFI — ABC News (@ABC) March 1, 2017
Remnants of bacteria found in Canadian rock from 3.77 billion to 4.28 billion years ago may be oldest known fossils. https://t.co/5wB1hItnvj pic.twitter.com/ELpZ67WgFI
— ABC News (@ABC) March 1, 2017