math - Trivia, Quizzes, and Brain Teasers | Mental Floss

You’re Grinding Your Coffee Too Finely—Science Says So

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You’re Grinding Your Coffee Too Finely—Science Says So

The Surprising Link Between an 1851 Chess Tournament and Today's March Madness Bracket

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The Surprising Link Between an 1851 Chess Tournament and Today's March Madness Bracket

The Reason Gas Stations Charge 9/10 of a Cent

Gas stations use marketing psychology to dip into your wallet.

The Reason Gas Stations Charge 9/10 of a Cent

19 Smart Facts About Albert Einstein

Imagno/Getty Images

19 Smart Facts About Albert Einstein

11 of the Best STEM Toys for Kids of All Ages

Amazon

New Spacecraft Named After Katherine Johnson Honors the Pioneering NASA Mathematician

Alex Wong/Getty Images

How Accurate Are Punxsutawney Phil's Groundhog Day Weather Predictions?

“Smells like snow.”

Can You Solve This Math Problem From MIT's 1876 Entrance Exam?

Antoine Dautry, Unsplash

A Simple Way to Figure Out How Many Lights You Need for Your Christmas Tree

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How Much Is the Earth Worth?

The New York Public Library, Unsplash

What Do the Numbers on Barcodes Mean?

These seemingly random digits can tell you a lot.

Grad Student Solves the Conway Knot, a Math Problem That Has Stumped Experts for 50 Years

Pexels, Pixabay

The Reason Apple Doesn’t Include a Calculator With the iPad

The Apple iPad.

15 Riveting Facts About Alan Turing

Alan Turing

Keep Your Brain Engaged With the National Museum of Mathematics’s Weekly “Mind-Benders for the Quarantined” Puzzles

Sean Gallup/Getty Images

5 People Who Were Amazingly Productive In Quarantine

William Shakespeare