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

What Is the Longest Song Ever Recorded

More cowbell, please.

What Is the Longest Song Ever Recorded

Cold Brew vs. Iced Coffee: What's the Difference?

ArtRachen01/iStock via Getty Images

Cold Brew vs. Iced Coffee: What's the Difference?

Margarine vs. Butter: What’s the Difference—and Which Is Healthier?

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Margarine vs. Butter: What’s the Difference—and Which Is Healthier?

Why Do Restaurants Serve Free Bread?

Bread is everywhere at restaurants.

Why Do Restaurants Serve Free Bread?

What Are Those Domes on the Side of the Highway Used For?

View of the World, Wikimedia Commons // CC BY 2.0

Coat vs. Jacket: What’s the Difference?

Coats and jackets living together in harmony.

Brown Eggs vs. White Eggs: What’s the Difference?

AngiePhotos/iStock via Getty Images

What's the Difference Between Men's and Women's Razors?

It's not just about color.

What Are NFTs Anyway?

In March 2021, digital artist Beeple sold a JPG of Everydays: The First 5000 Days for a record-setting $69.3 million.

Hair in Your Food Is Gross—But Is It Dangerous to Your Health?

A hairy situation in more ways than one.

Why Do Dogs Yawn?

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Why Do We Use the Word Mug as a Synonym for Face?

Historic pottery molds of Toby jugs from 1888.

Why Do Eggshells Sometimes Have Weird Bumps and Spots?

Spots on eggs are a common--and usually harmless--occurrence.

Solstice vs. Equinox: What’s the Difference?

An image of the March equinox taken by the GOES-13 satellite in 2013.

The Smart Reason There Are Black Lines on Basketballs

XiXinXing/iStock via Getty Images

Can Bird Poop Damage Cars?

Birds are not respectful of cars.