The Most Bizarre Medical Tools from Back in the Day

Iron Lung

These were popular during the polio outbreak, as many people needed help breathing who were infected.

You can hear a blue whale's heartbeat from more than 2 miles away.
A blue whale's tongue weighs as much as an elephant.
War pigs were used in ancient warfare to counter against war elephants, which feared the pigs (and their squeals) and would bolt. War pigs were sometimes lit on fire to enhance this effect.
There are 293 ways to make change for $1.