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Do Fish Sleep?

Do Fish Sleep?

Our Top Reads

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

How to Test Brake Lights

June 24 By Talon Homer, Brian Boone

How Alan Turing and His Test Became AI Legend

How Alan Turing and His Test Became AI Legend

What Was Japanese Emperor Hirohito's Role in World War II?

What Was Japanese Emperor Hirohito's Role in World War II?

Why Do Scent Hounds Have Long Floppy Ears?

Why Do Scent Hounds Have Long Floppy Ears?

Menstrual Leave: An Idea Whose Time Has Come?

Menstrual Leave: An Idea Whose Time Has Come?

Try Our Crosswords, Riddles and Puzzles!

Riddle Your Brain!

Riddle Your Brain!

Play Our Crossword!

Play Our Crossword!

Can You Solve This Riddle?

Can You Solve This Riddle?

In the News

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?

June 17 By Vidhura S Tennekoon

Why Does the Fed Change the Interest Rate?

June 16 By Sarah Gleim

5 Tips to Stay Safe During a Heat Wave

June 15 By Sarah Gleim

The Clean Air Act Is Being Challenged. Will SCOTUS Protect It?

June 13 By Jennifer Walker-Journey

Can Bionic Reading Make You Read Faster?

Can Bionic Reading Make You Read Faster?

Why the U.S. Hasn't Always Supported the International Criminal Court

Why the U.S. Hasn't Always Supported the International Criminal Court

Did You Hear?

Do Pool Pumps Have to Run All the Time?

Do Pool Pumps Have to Run All the Time?

The Stanley Cup Trophy Has a Long and Quirky History

The Stanley Cup Trophy Has a Long and Quirky History

What Is Energy?

What Is Energy?

Why Do Bubbles Pop?

Why Do Bubbles Pop?

Did the Lost Continent of Lemuria Ever Exist?

Did the Lost Continent of Lemuria Ever Exist?

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Editor's Picks

The Deep Ocean Giant Isopod Looks Like a Huge Roly-poly Bug

The Deep Ocean Giant Isopod Looks Like a Huge Roly-poly Bug

Why Does My Dog Lick Me?

Why Does My Dog Lick Me?

5 Things Everyone Gets Wrong About Cleopatra

5 Things Everyone Gets Wrong About Cleopatra

Turtle or Tortoise?

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

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

They both have prehistoric looking shells and squatty legs, but how are they different?

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

Alligator Snapping Turtles Lure Prey With Wriggling Worm-like Tongue Appendage

Alligator Snapping Turtles Lure Prey With Wriggling Worm-like Tongue Appendage

Giant VW-sized Turtles Once Prowled South American Waters

Giant VW-sized Turtles Once Prowled South American Waters

Keepin' It Clean

Why Women Don't Lick Their Babies Clean After Childbirth

Why Women Don't Lick Their Babies Clean After Childbirth

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

Why Do Raccoons Wash Their Food?

Why Do Raccoons Wash Their Food?

With their built-in masks and ability to snatch food, it seems raccoons were meant for a life of crime. But do these thieves wash away the evidence by rinsing food in water?

Blood Basics

How Bloodstain Pattern Analysis Works

How Bloodstain Pattern Analysis Works

The bloodstain from a crime scene has a story to tell, if you know how to analyze it. Then it might explain the who, what and when of a murder.

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?

The Man Whose Blood Saved More Than 2 Million Babies

The Man Whose Blood Saved More Than 2 Million Babies

What Happens to Blood Once You Donate It?

What Happens to Blood Once You Donate It?

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