Wild Things That Baby Boomers Grew Up Doing

Smallpox Scarring

When the smallpox vaccine was introduced, things were looking up...until kids saw the needle! The thing was two-pronged and infinitely terrifying. Kids were safer than ever, but the scar the vaccine left behind was definitely pretty scary to see.

The More You Know

Beavers have transparent eyelids so they can see underwater.
During your lifetime, you will spend around seventy-nine days brushing your teeth.
All the Professors in Pokemon have been named after trees.
The population of the United States increases by one person every 12 seconds.

Post originally appeared on Upbeat News.