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

Why Are There No Green Stars?

zorazhuang/iStock via Getty Images

Why Are There No Green Stars?

Why Do Some Dogs Have a Pocket in Their Ears?

That little pouch in the dog's lower left ear is called a Henry's pocket.

Why Do Some Dogs Have a Pocket in Their Ears?

Why Do People Drink Mint Juleps at the Kentucky Derby?

iStock

Why Do People Drink Mint Juleps at the Kentucky Derby?

How Do Self-Cleaning Ovens Work?

Self-cleaning ovens are meant to spare users the hassle of manual cleaning.

How Do Self-Cleaning Ovens Work?

Why Do We Call Hit Movies Blockbusters?

andresr/iStock via Getty Images

Does Bone China Contain Any Actual Bone? The Answer Might Unnerve You

Tea bone.

Why Do We Say Something Is Brand-New or Brand-Spanking New?

Why Do We Call Kindergarten Kindergarten?

Kindergarten survived some early controversy to become part of the American education system.

The Reason Movie Trailers Give So Much Away

Spoilers in movie trailers can frustrate film fans.

Why Are Left-Handed People Called Southpaws?

Notable southpaw Tommy John pitching for the New York Yankees in the 1980s.

What Is the Longest Song Ever Recorded

More cowbell, please.

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

ArtRachen01/iStock via Getty Images

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

lutavia/iStock via Getty Images

Why Do Restaurants Serve Free Bread?

Bread is everywhere at restaurants.

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.