The history of the stencil brush, the oldest manmade art ever found, and how an explorer became the mayor.

The history of the chain, famous women involved, and why some chains lay flat.

The history of the slide hammer and what auto body work has in common with orthopedics.

The history of the machete, what is pyriscence, and why some kids are encouraged to play with knives.

The history of eye protection, how the Inuits did it first, and why a jeweler’s apprentice changed the world.

The history of the level, how it’s related to a Scorpion, and why it’s filled with alcohol.