Why Do Wint-O-Green Life Savers Spark in the Dark?

Why Do Wint-O-Green Life Savers Spark in the Dark?

Our Top Reads

Was an Evil Spirit Released When Japan's 'Killing Stone' Split in Half?

June 28 By Tara Yarlagadda

How Short Is the World's Smallest Person?

June 28 By Alia Hoyt

Why Do People Fall Asleep in Movie Theaters?

June 27 By Dave Roos

Unsightly But Sweet, Mr. Happy Face Wins World's Ugliest Dog Contest

Unsightly But Sweet, Mr. Happy Face Wins World's Ugliest Dog Contest

People Still Use Fax Machines, But, Um, Why?

People Still Use Fax Machines, But, Um, Why?

The World's 'Poles of Inaccessibility' Are, Well, Pretty Inaccessible

The World's 'Poles of Inaccessibility' Are, Well, Pretty Inaccessible

Ghost in the Machine: When Does AI Become Sentient?

Ghost in the Machine: When Does AI Become Sentient?

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Riddle Your Brain!

Riddle Your Brain!

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Play Our Crossword!

Can You Solve This Riddle?

Can You Solve This Riddle?

In the News

13 Overturned Supreme Court Cases

June 24 By Melanie Radzicki McManus, Ed Grabianowski

You Know These 7 Supreme Court Cases by Name, But What Did They Decide?

June 24 By Dave Roos

Menstrual Leave: An Idea Whose Time Has Come?

June 23 By Laurie L. Dove

Why Do Scent Hounds Have Long Floppy Ears?

June 23 By John Perritano

Can You Stand on One Leg for 10 Seconds? Study Links This to Longer Life

June 22 By Jennifer Walker-Journey

What Are PFAS, and Why Is the EPA Warning About Them?

June 21 By Kathryn Crawford

What Is a Bear Market?

What Is a Bear Market?

Why Does the Fed Change the Interest Rate?

Why Does the Fed Change the Interest Rate?

Did You Hear?

Quiz: What's This Country's Former Name?

Quiz: What's This Country's Former Name?

How Much Pee Is in Your Pool?

How Much Pee Is in Your Pool?

Are Destination Weddings Presumptuous?

Are Destination Weddings Presumptuous?

10 Science Questions You Should Really Know How to Answer

10 Science Questions You Should Really Know How to Answer

The Top 30 Songs of Elvis Presley

The Top 30 Songs of Elvis Presley

Science

Science vs. Monster Movies Quiz: Tell Fact from Fiction!

Science vs. Monster Movies Quiz: Tell Fact from Fiction!

What's the Difference Between a Lake and a Pond?

What's the Difference Between a Lake and a Pond?

How Some Cities Prepare to Withstand Climate Change

How Some Cities Prepare to Withstand Climate Change

Hubble Hubble: Telescope Provides Stunning New Images of Two Planetary Nebulas

Hubble Hubble: Telescope Provides Stunning New Images of Two Planetary Nebulas

Animals

Langurs Are Primates That Love to Monkey Around

Langurs Are Primates That Love to Monkey Around

The Joys of Living With Guinea Pigs

The Joys of Living With Guinea Pigs

Why Don't Manx Cats Have Tails?

Why Don't Manx Cats Have Tails?

Hamsters Aren't Jerks. Here's How to Stop Them From Biting

Hamsters Aren't Jerks. Here's How to Stop Them From Biting

Culture

Prim, Proper and Preposterous: The Victorian Etiquette Quiz

Prim, Proper and Preposterous: The Victorian Etiquette Quiz

The Dodleston Messages: Hoax or Ghost From 1546?

The Dodleston Messages: Hoax or Ghost From 1546?

How Jim Crow Shaped America

How Jim Crow Shaped America

What's a Mezuzah and What's Inside the Case?

What's a Mezuzah and What's Inside the Case?

Health

Yes, Hot Yoga Can Still Be Hot at Home

Yes, Hot Yoga Can Still Be Hot at Home

'If You Need Anything, Let Me Know': What Not to Say to a Friend With Cancer

'If You Need Anything, Let Me Know': What Not to Say to a Friend With Cancer

Embracing Ennui: How Boredom Can Be Good for You

Embracing Ennui: How Boredom Can Be Good for You

Isolation and Monotony Stress the Brain. Here's How to Cope

Isolation and Monotony Stress the Brain. Here's How to Cope

Editor's Picks

Does Bug Spray Expire?

Does Bug Spray Expire?

How do Magic Erasers Get Rid of Stains?

How do Magic Erasers Get Rid of Stains?

The Portuguese Man-of-war Is Not a Jellyfish and Packs a Nasty Sting

The Portuguese Man-of-war Is Not a Jellyfish and Packs a Nasty Sting

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Turtle or Tortoise?

What's the Difference Between a Tortoise and a Turtle?

What's the Difference Between a Tortoise and a Turtle?

The Time Two Russian Space Tortoises Beat Apollo to the Moon

The Time Two Russian Space Tortoises Beat Apollo to the Moon

How to Feed Baby Turtles

How to Feed Baby Turtles

Keepin' It Clean

Stop Hand-washing Your Dishes!

Stop Hand-washing Your Dishes!

Mushrooms: Wash 'em or Brush 'em Off?

Mushrooms: Wash 'em or Brush 'em Off?

How to Clean Your Washing Machine

How to Clean Your Washing Machine

Blood Basics

How Bloodstain Pattern Analysis Works

How Bloodstain Pattern Analysis Works

How Close Are We to Creating a Universal Blood Type?

How Close Are We to Creating a Universal Blood Type?

Does Rover Have a Red Cross?

Does Rover Have a Red Cross?