Big Questions - Trivia, Quizzes, and Brain Teasers | Mental Floss

Why Do Prunes Make You Poop?

nata_vkusidey/iStock via Getty Images

Why Do Prunes Make You Poop?

Here's How Often You Should Be Washing Your Sheets

Your sheets need to be washed on a regular basis.

Here's How Often You Should Be Washing Your Sheets

What Do the Numbers on Barcodes Mean?

These seemingly random digits can tell you a lot.

What Do the Numbers on Barcodes Mean?

What Does Fabric Softener Actually Do?

Fabric softener acts as a lubricant for your laundry.

What Does Fabric Softener Actually Do?

The Reason Pharmacies Are Usually Located in the Back of a Store

Pharmacists are happy to help. But only after you've walked through the entire store.

Why Do Cats Sleep So Much?

Azat Kılınç, Unsplash

Why Do Babies Laugh?

A baby's laugh can offer a lot of insight into their development.

Why Can’t You Wear White After Labor Day?

A white dress after Labor Day? Uh-oh!

Is It Illegal to Falsely Shout 'Fire' in a Crowded Theater?

Fortunately, nobody incited a stampede at New York's Metropolitan Opera House on this night in 1937.

Who Was Jim Crow?

Wikimedia Commons, Public Domain

Who Were the Actual Brooks Brothers?

Phillip Pessar, Flickr // CC BY 2.0

What Is the Citizenship of a Baby Born on an International Flight?

Nadezhda1906/iStock via Getty Images

Does Putting a Penny in the Microwave Really Make It Shrink?

J E Theriot, Flickr // CC BY 2.0

Why Do We Say ‘Spill the Beans’?

This is a Greek tragedy.

What's the Difference Between Sex and Gender?

The IAAF has required Olympic gold medalist Caster Semenya to take medication to lower her testosterone levels—a demand she has actively fought against.

What Benefits Do Presidents Get After They Leave Office?

Barack Obama walks on the colonnade after leaving the Oval Office for the last time as President on January 20, 2017.