How Do Whales Sleep? They're Always Half Awake (Literally)

How Do Whales Sleep? They're Always Half Awake (Literally)

Our Top Reads

Pictus Catfish: Bottom-feeders That Pick on Smaller Fish

By Nico Avelle

36 Funny Cat Names: From Tuna Turner to Kitty Smalls

By Nico Avelle

Wood Roach vs. Cockroach: Which Are You Dealing With?

By Nico Avelle

12 London Neighborhoods for Tourists to Roam

12 London Neighborhoods for Tourists to Roam
Can Cats Eat Carrots? Not the Question You Should Be Asking

Can Cats Eat Carrots? Not the Question You Should Be Asking
10 Iconic Mountain Ranges in Europe

10 Iconic Mountain Ranges in Europe
10 Animals That Live in the Tundra: From Penguins to Oxen

10 Animals That Live in the Tundra: From Penguins to Oxen

Try Our Crosswords, Riddles and Puzzles!

Can You Solve This Riddle?

Can You Solve This Riddle?
Play Our Crossword!

Play Our Crossword!
Can You Solve This Riddle?

Can You Solve This Riddle?

In the News

The Copperhead Snake Is Seldom Lethal But Always Venomous

April 13 By Zach Taras, John Perritano

Rube Goldberg: The Man Behind the Ingenious Contraptions

April 10 By Stell Simonton

Oedipus Complex: Digging Into Freud's Controversial Theory

April 10 By John Donovan

Neuschwanstein Castle: The Real Story Behind the Fairy-tale Fortress

April 10 By Dave Roos

The Ring of Fire Is the Pacific's Volcanic Hotspot

April 10 By Mark Mancini

What Is Zionism and Is It Fueling the Palestinian-Israeli Conflict?

April 9 By Dave Roos

How to See and Delete Your Google History

How to See and Delete Your Google History
What Does It Mean When Someone Says 'That's Just Semantics'?

What Does It Mean When Someone Says 'That's Just Semantics'?

Did You Hear?

The Birman Cat Survived Near Extinction

The Birman Cat Survived Near Extinction
12 Boston Neighborhoods for Visitors to Explore

12 Boston Neighborhoods for Visitors to Explore
Are Barnacles on Whales Normal or Problematic? Or Both?

Are Barnacles on Whales Normal or Problematic? Or Both?
The Chartreux Cat Was Almost Lost in World War II

The Chartreux Cat Was Almost Lost in World War II
9 Types of Nuts (and Seeds We're Nuts About)

9 Types of Nuts (and Seeds We're Nuts About)

Science

How Do QR Codes Work? 2D Barcodes Explained

How Do QR Codes Work? 2D Barcodes Explained
Is It Time to Redefine the Four Seasons of the Year?

Is It Time to Redefine the Four Seasons of the Year?
Ghost in the Machine: When Does AI Become Sentient?

Ghost in the Machine: When Does AI Become Sentient?
Meet the Man Who Invented Cool Whip, Tang and Pop Rocks

Meet the Man Who Invented Cool Whip, Tang and Pop Rocks

Culture

How Does the U.S. Government Declassify Top Secret Documents?

How Does the U.S. Government Declassify Top Secret Documents?
When You Wish Upon a Stone ... Make It a Striped One

When You Wish Upon a Stone ... Make It a Striped One
22 of the Worst Prisons in the World

22 of the Worst Prisons in the World
Why Every Woman Wanted to Stay at the Barbizon Hotel

Why Every Woman Wanted to Stay at the Barbizon Hotel

Animals

The Ancient Swedish Vallhund Dog Was Almost Lost to History

The Ancient Swedish Vallhund Dog Was Almost Lost to History
The Cheetah Is a Rare Daytime Hunter Among Big Cats

The Cheetah Is a Rare Daytime Hunter Among Big Cats
Do Wolves Really Howl at the Moon?

Do Wolves Really Howl at the Moon?
Venomous vs. Poisonous: Is There a Difference?

Venomous vs. Poisonous: Is There a Difference?

Auto

How to Check Your Transmission Fluid

How to Check Your Transmission Fluid
69 of the Most Famous Race Car Drivers of All Time

69 of the Most Famous Race Car Drivers of All Time
A Beginner's Guide to Ignition Coil Replacement?

A Beginner's Guide to Ignition Coil Replacement?
How to Use Jumper Cables

How to Use Jumper Cables

Editor's Picks

The Sun Spider Is an Arachnid but Not an Actual Spider

The Sun Spider Is an Arachnid but Not an Actual Spider
Did You Know There Are 23 Countries in North America?

Did You Know There Are 23 Countries in North America?
The Richest Family in the World Heads a Massive U.S. Chain

The Richest Family in the World Heads a Massive U.S. Chain

A River Runs Through It

The 9 Longest Rivers in the World: From the Nile to the Congo

The 9 Longest Rivers in the World: From the Nile to the Congo
Eco Engineers: 5 Animals That Can Reshape Earth's Waterways

Eco Engineers: 5 Animals That Can Reshape Earth's Waterways
River-bottom Bones: The Strange World of Underwater Fossil Hunting

River-bottom Bones: The Strange World of Underwater Fossil Hunting

Get Your Garden On

How 'Lasagna Gardening' Helps Create Healthy Soil

How 'Lasagna Gardening' Helps Create Healthy Soil
How Composting Works

How Composting Works
Companion Planting: The Do's and Don'ts of Growing Plants Together

Companion Planting: The Do's and Don'ts of Growing Plants Together

Deserts of the World

5 of Earth's Highest Deserts

5 of Earth's Highest Deserts
10 Largest Deserts in the World

10 Largest Deserts in the World
Hunting for Martians in the Most Extreme Desert on Earth

Hunting for Martians in the Most Extreme Desert on Earth