The History of Roller Skating

The History of Roller Skating

Our Top Reads

Does a Criminal Conviction Bar You From Running for U.S. President?

Aug. 13 By Dave Roos

How Hot Is Too Hot for the Human Body?

Aug. 13 By S. Tony Wolf, Rachel Cottle

8 Jobs AI Will Replace and 8 It Won't (Yet)

Aug. 12 By Dave Roos

What Does Airplane Mode Do? And Can It Save Battery Life?

What Does Airplane Mode Do? And Can It Save Battery Life?
The Longest Home Runs Ever Hit

The Longest Home Runs Ever Hit
Should You Turn Your AC Up When You're Not Home?

Should You Turn Your AC Up When You're Not Home?
The Presidential Records Act Is Essential for the National Archives

The Presidential Records Act Is Essential for the National Archives

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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

Why a Blue Moon's Not Really Blue

Aug. 2 By Mark Mancini

Saturn's Rings Will Exist for Just a Blip in Time

Aug. 2 By Ian O'Neill, Ph.D.

Is Earth the Only Planet With Tectonic Plates?

July 26 By Mark Mancini

Why Are Planets Almost Spherical?

July 26 By Mark Mancini

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

June 9 By Mark Mancini

Can't Read Roman Numerals? We Can Teach You

June 9 By Alia Hoyt

Coast Guard Rescue Swimmers Risk All to Save Lives

Coast Guard Rescue Swimmers Risk All to Save Lives
Delightful Daffodils Are Super Easy to Grow. Here's How

Delightful Daffodils Are Super Easy to Grow. Here's How

Did You Hear?

Pinpointing the Richest Country in the World Is Tricky Work

Pinpointing the Richest Country in the World Is Tricky Work
14 Hottest Hot Sauces in the World

14 Hottest Hot Sauces in the World
How Supermoons Work

How Supermoons Work
28 Industrial Revolution Inventions That Shaped Our World

28 Industrial Revolution Inventions That Shaped Our World
A Deep Dive on the Kraken, a Shipwrecking Sea Monster

A Deep Dive on the Kraken, a Shipwrecking Sea Monster

Science

Could Giant Sea Kelp Be the Next Biofuel Source?

Could Giant Sea Kelp Be the Next Biofuel Source?
Pareidolia: Why We See Faces in Almost Everything

Pareidolia: Why We See Faces in Almost Everything
How Long Does It Take to Get to the Moon?

How Long Does It Take to Get to the Moon?
4 Ways to Experience Outer Space Right Here on Earth

4 Ways to Experience Outer Space Right Here on Earth

Culture

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

You Know These 7 Supreme Court Cases by Name, But What Did They Decide?
What Caused the Rise – and Fall – of the Ottoman Empire?

What Caused the Rise – and Fall – of the Ottoman Empire?
Was an Evil Spirit Released When Japan's 'Killing Stone' Split in Half?

Was an Evil Spirit Released When Japan's 'Killing Stone' Split in Half?
The 'X' Factor: Why Some Advocates Prefer 'Latine' to 'Latinx'

The 'X' Factor: Why Some Advocates Prefer 'Latine' to 'Latinx'

Animals

Don't Mess With the Black Mamba, One of the Deadliest Snakes Alive

Don't Mess With the Black Mamba, One of the Deadliest Snakes Alive
Are Table Scraps Actually That Bad for Dogs?

Are Table Scraps Actually That Bad for Dogs?
The 10 Most Dangerous Sharks

The 10 Most Dangerous Sharks
The Coatimundi Is Cute But Doesn't Make a Good Pet

The Coatimundi Is Cute But Doesn't Make a Good Pet

Auto

How Often Should You Wash Your Car?

How Often Should You Wash Your Car?
Top 10 Causes of Car Fires

Top 10 Causes of Car Fires
How to Test Brake Lights

How to Test Brake Lights
5 Outdated Myths About Buying and Owning Electric Cars

5 Outdated Myths About Buying and Owning Electric Cars

Editor's Picks

Why Is There a Crack in the Liberty Bell?

Why Is There a Crack in the Liberty Bell?
How American Exceptionalism Works

How American Exceptionalism Works
Black Loyalists Fought for Their Freedom During the American Revolution

Black Loyalists Fought for Their Freedom During the American Revolution

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
Just 10 River Systems Contribute Up to 95 Percent of Plastic in Oceans

Just 10 River Systems Contribute Up to 95 Percent of Plastic in Oceans
Eco Engineers: 5 Animals That Can Reshape Earth's Waterways

Eco Engineers: 5 Animals That Can Reshape Earth's Waterways

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