Tuesday, January 31, 2017

This latest article is a real mouthful.

From LAUGHING SQUID

"According to the international team’s findings, humanity’s earliest known ancestor had a mouth but no anus. Its body shape and lack of an anus likely means that both food and digested waste were passed through the creature’s mouth. Thankfully, humans have since evolved a more intricate digestive system over hundreds of millions of years..."