Sheril KirshenbaumNov 16, 2022

The History of Earth as a 24 hr clock. Humans have only just arrived.

Note: I first came across this image through UW-Madison geology. #science #SharedPlanet

Show threaddrfourny
@Sheril And now there are 8 billion of us. Geesh.
Nov 16, 2022 at 1:44amWeb
Show threadKathleen OgradyNov 16, 2022
@drfourny @Sheril
That's an aweful lot of people to feed, cloth, house