Mental Floss

CARS



When life gives you lemons, return to the dealership.

Cars aren’t a piece of fruit, so how did they come to be associated with lemons? Discover how this slang term got adopted in the automotive world and what it really means.

Jake Rossen






There's a legitimate reason, and it isn't purely aesthetic.

Natural rubber is white, and so were the earliest car tires. So, why are modern-day tires black? The answer is linked to Crayola and carbon black.

Jake Rossen








Think of them as shields for your wheels.

Hubcaps might seem purely decorative, but they serve an important purpose for your car.

Chris Wheatley
Perhaps a recall is in order.

A car accident in a movie usually ends in a huge fireball. But what really causes vehicle fires?

Jake Rossen