Where Do Lice Originate From? Pardon the Head-scratcher

Where Do Lice Originate From? Pardon the Head-scratcher

Our Top Reads

What Is a Group of Sheep Called? Not Necessarily a Herd

By Nico Avelle

The Origins of Christmas and a Roman Sun God's Birthday

By Lena Thaywick

What Is a Group of Birds Called? When It's Not a Flock

By Nico Avelle

9 Pagan Christmas Traditions That Inspired Today's Celebrations

9 Pagan Christmas Traditions That Inspired Today's Celebrations
Where Do Cows Originate From? Taurine vs. Indicine Lineage

Where Do Cows Originate From? Taurine vs. Indicine Lineage
Argentina, Christmas Traditions, and Holidays in the Southern Hemisphere

Argentina, Christmas Traditions, and Holidays in the Southern Hemisphere
What Is a Group of Pigeons Called? Exactly What You Think

What Is a Group of Pigeons Called? Exactly What You Think

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 Origins of Yoga: Spirituality, Meditation, and Wholeness

The Origins of Yoga: Spirituality, Meditation, and Wholeness
Christmas Pickle 'Tradition' Might Be Pure Marketing Fiction

Christmas Pickle 'Tradition' Might Be Pure Marketing Fiction
What Is a Group of Seals Called? Depends Where It Is

What Is a Group of Seals Called? Depends Where It Is
Origins of Hinduism and a Constantly Evolving Religion

Origins of Hinduism and a Constantly Evolving Religion
Where Do Horses Originate From? Not Europe, Not Asia

Where Do Horses Originate From? Not Europe, Not Asia

Science

Corresponding Angles: A Fundamental Geometry Concept

Corresponding Angles: A Fundamental Geometry Concept
What Is the Area Formula for a Rectangle, a Triangle and a Circle?

What Is the Area Formula for a Rectangle, a Triangle and a Circle?
How Reverse Osmosis Works

How Reverse Osmosis Works
What Are Imaginary Numbers?

What Are Imaginary Numbers?

Culture

What Do A.M. and P.M. Stand For?

What Do A.M. and P.M. Stand For?
The Odds Are Against Ex-presidents Who Vie for the White House

The Odds Are Against Ex-presidents Who Vie for the White House
Check Out the Human Library, Where the Books Are People

Check Out the Human Library, Where the Books Are People
Nyx: Goddess of the Night and Daughter of Chaos

Nyx: Goddess of the Night and Daughter of Chaos

Animals

Flying Spiders Glide Into New Territories

Flying Spiders Glide Into New Territories
Savannah Cat Hybrids Are Gorgeous, Energetic and Expensive

Savannah Cat Hybrids Are Gorgeous, Energetic and Expensive
9 Biggest Birds in the World

9 Biggest Birds in the World
Legless Lizard vs. Snake: Are They Actually Different Animals?

Legless Lizard vs. Snake: Are They Actually Different Animals?

Auto

12 Celebrities Who Were Also Serious Race Car Drivers

12 Celebrities Who Were Also Serious Race Car Drivers
How Electric Cars Work

How Electric Cars Work
How Does AC Work in a Car?

How Does AC Work in a Car?
Why Does My Tire Pressure Light Come on When It's Cold?

Why Does My Tire Pressure Light Come on When It's Cold?

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