Sheril KirshenbaumApr 4, 2023

The history of Earth as the length of a human’s outstretched arm - representing 4.5 billion years of time.

At this scale, humans emerged so recently that we could be filed off from a microscopic slice at the very tip of a fingernail.

Infographic by Katie Scott from original article in Nautilus. Details at https://ncse.ngo/deep-time-really-really-deep-man #space #time #science #SharedPlanet

Deep time is, like, really, really deep, man | National Center for Science Education

Have you heard the joke about the museum guide who, when as

Show threadRHSJack
@Sheril Interestingly there is debatable evidence multicellular life existed a billion years earlier than thought so that sliver of nail is not the nail dust we file off https://www.smithsonianmag.com/air-space-magazine/complex-life-15-billion-years-ago-180959247/#:~:text=Fragments%20extracted%20from%20rocks%20found,old%20rocks%20in%20north%20China.
Complex Life 1.5 Billion Years Ago?

More evidence is needed for such an extraordinary claim.

Smithsonian Magazine
Apr 4, 2023 at 10:57pmWeb
Show threadErik WestApr 4, 2023
@rhsjack This is it. https://democraticgazette.com/index.php/whats-the-matter-with-mike-pence/
What’s the Matter With Mike Pence? – Democrat Gazette