This episode is brought to you by Shopify.

Looking to start a side hustle or become your own boss.

Do it with Shopify.

Whether you're selling succulents or stilettoes,

Shopify has the industry leading tools to help you create,

control and grow your own business.

So get serious about selling and get Shopify today.

Sign up for a one pound per month trial period at shopify.coidek slash special offer

or lowercase.

That's Shopify.

Co-DeeK slash Special Offer.

This is Scientific American 60 Second Science.

I'm Emily Schwang.

You know how it is when you're driving behind a car and you notice a bumper sticker and you think

to yourself, oh, it's that kind of person, or why would somebody put that

on their car?

Walter Gottlich, a sociology graduate student at the University of Kansas.

I was coming back from a vacation with my family and I was behind a car and the bumper sticker

on the car was almost illegible.

The type was really tiny and it said when this baby hits 88 miles an hour you're going to see some serious shit

This was Gottlich's aha moment as you may have guessed the bumper sticker was a reference to the movie Back to the Future.

When this baby hits 88 miles per hour, you're going to see some serious...

...