Welcome to AirNenky's Cabinet of Curiosity's, a production of I Heart Radio and Grimm

and Mild.

Our world is full of the unexplainable.

And if history is an open book, all of these amazing tales are right there on display,

just waiting for us to explore.

Welcome to the Cabinet of Curiosity's.

Human psychology has been an important topic of study for centuries.

The ancient Greeks and Egyptians had their schools of thought on it, as did the people

in ancient India and China.

It wasn't until the 19th century, though, when psychological research turned from the

philosophical to the experimental.

German psychologist Gustav Fekner started testing the human brain's response to various

stimuli around the 1830s.

From there, experts such as Herman Ebinghaus went on to study other functions of the mind.

From memory to introspection to classical conditioning, psychology became a bustling industry

of experimentation.

Eventually, scientists didn't just want to learn the limits of the brain.

They wanted to understand what made people tick.

Why were some individuals able to say no while others were more pleasers?

Stanley Milgram of Yale University tested this in his famous Milgram experiment in 1961.

He invited participants to administer electric shocks to someone in another room.

As the shocks increased in power, the screams of the unknown party got louder and more intense

...