Mental Floss

BIG QUESTIONS

A mass of shipping containers at the port of Shenzen, China.

Tariffs are a means for one country to wrangle better trade terms with another country and to protect domestic manufacturing. Unfortunately, they don’t always deliver.

Tim Brinkhof








People with mind blindness cannot visualize things in their minds.

Aphantasia is a little-understood phenomenon that affects about 4 percent of the population. There are several theories behind what causes it.

CaLea Johnson
Think of them as shields for your wheels.

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

Chris Wheatley
You can avoid brain freeze with a couple of easy precautions.

Here's what’s happening in your body when you eat ice cream or drink a chilled beverage too fast.

Matt Soniak


It’s easier to forecast earthquakes than predict them.

To predict quakes, scientists have to understand how they occur, what happens just before and during the start of one, and whether it shows signs that movement is imminent. So far, none of those things is known.

Erin McCarthy


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












Nothing lasts forever, especially suds.

Common household cleaning products like dish soap and laundry detergent might get forgotten about for years before being found and used. Will they still be effective?

Jake Rossen
An illustration of the Man in the Moon.

People have been observing faces and figures on the moon for hundreds (if not thousands) of years. There’s a perfectly scientific explanation as to why.

Lorna Wallace