Mental Floss

BIG QUESTIONS

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




Skylab 2 commander Peter Conrad attempts to take a shower aboard the spacecraft in 1973.

Here on Earth, we tend to take showering for granted. But getting clean isn’t so easy without the force of gravity helping you out.

Tim Brinkhof