Surprising Cameos From Celebrities Before They Were Famous

A Dynamic Duo

Ben Affleck should credit a lot of his '90s fame to his writing partner and best friend, Matt Damon. They wrote and starred in films like Good Will Hunting in 1997. That film is considered one of their best joint efforts, and Affleck went on to star in films such as Shakespeare In Love, Armageddon, and Pearl Harbor. He and brother Casey Affleck are both still esteemed actors, and Damon remains close as well.

The More You Know

There are around 60,000 miles of blood vessels in the human body. If you took them all out and laid them end to end, they’d stretch around the world more than twice.
Bubble wrap was originally intended to be used as 3D wallpaper.
Male seahorses bear their young.
The word "muscle" comes from a Latin term meaning "little mouse."

Post originally appeared on Upbeat News.