What Is the Formula for Distance?

What Is the Formula for Distance?

Our Top Reads

What Are the 10 Largest Cities in the World by Population?

Nov. 29 By Laurie L. Dove

How Do Disposable Hand Warmers Work?

Nov. 29 By Kristen Hall-Geisler

Virtual Influencers Are Unreal — Seriously, They Don't Physically Exist

Nov. 29 By Patrick J. Kiger

Why Is It Bad Luck to Break a Mirror?

Why Is It Bad Luck to Break a Mirror?
Anne Bonny: A Real Female Pirate of the Caribbean

Anne Bonny: A Real Female Pirate of the Caribbean
Kowloon Walled City Once Was the Most Densely Packed Place on Earth

Kowloon Walled City Once Was the Most Densely Packed Place on Earth
Rummikub Rules You Can Understand

Rummikub Rules You Can Understand

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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

Wilma Mankiller, First Female Cherokee Nation Chief, Still Inspires Today

Nov. 28 By Julie Reed

You Know the Kilo. Now Say Hello to the Quetta!

Nov. 23 By Alia Hoyt

Can Red Flag Laws Help Prevent Mass Killings?

Nov. 22 By Patrick J. Kiger

Marvel's 'Wakanda Forever' Pays Homage to Mesoamerican Cultures

Nov. 18 By Julian C. Chambliss

Leading Scientists Name 10 Essential Climate Issues for COP27

Nov. 14 By Meghie Rodrigues

The World Hits 8 Billion People; Is That Good or Bad?

Nov. 14 By Jasmine Fledderjohann, Melanie Channon

An Expert Explains Why Mastodon Won't Be the New Twitter

An Expert Explains Why Mastodon Won't Be the New Twitter
What Is a Flash Drought? An Earth Scientist Explains

What Is a Flash Drought? An Earth Scientist Explains

Did You Hear?

What Is a QWERTY Keyboard?

What Is a QWERTY Keyboard?
Mrs. Cheng: The Most Successful Pirate in History

Mrs. Cheng: The Most Successful Pirate in History
You Know White Noise, But What's Pink Noise and Brown Noise?

You Know White Noise, But What's Pink Noise and Brown Noise?
Why Is There a Gap at the Front of Public Toilet Seats?

Why Is There a Gap at the Front of Public Toilet Seats?
5 Tips for Solving The New York Times Crossword Puzzle

5 Tips for Solving The New York Times Crossword Puzzle

Science

How Are Airplane Cabins Pressurized?

How Are Airplane Cabins Pressurized?
Plastics Will Outpace Coal in U.S. Carbon Emissions, Study Shows

Plastics Will Outpace Coal in U.S. Carbon Emissions, Study Shows
Why Do Stars Twinkle?

Why Do Stars Twinkle?
10 Cool Things About Neil deGrasse Tyson

10 Cool Things About Neil deGrasse Tyson

Tech

How to Connect AirPods to a Mac

How to Connect AirPods to a Mac
How Wireless Mesh Networks Work

How Wireless Mesh Networks Work
Run, Jump & Climb Your Way Through Our Roblox Quiz

Run, Jump & Climb Your Way Through Our Roblox Quiz
Can You Remove Your Personal Info From People-Finder Websites?

Can You Remove Your Personal Info From People-Finder Websites?

Animals

Flamingo Rumps Produce 'Rouge' to Primp Pink Plumage

Flamingo Rumps Produce 'Rouge' to Primp Pink Plumage
Utahraptor: The Salty Saga of a Killer Dinosaur

Utahraptor: The Salty Saga of a Killer Dinosaur
Langurs Are Primates That Love to Monkey Around

Langurs Are Primates That Love to Monkey Around
'Roly-poly' Bugs Are Great Garden Composters

'Roly-poly' Bugs Are Great Garden Composters

Culture

Albania's Doomsday Bunkers Fed a Dictator's Paranoia

Albania's Doomsday Bunkers Fed a Dictator's Paranoia
What's the Difference? Quiz

What's the Difference? Quiz
Did Mussolini Really Keep the Trains Running on Time?

Did Mussolini Really Keep the Trains Running on Time?
5 Facts About the Wild West's Deadly 'Doc' Holliday

5 Facts About the Wild West's Deadly 'Doc' Holliday

Editor's Picks

Growing Mushrooms at Home Is Easier Than You Think

Growing Mushrooms at Home Is Easier Than You Think
Chief Mouser Larry the Cat Now Serves His Fifth British PM

Chief Mouser Larry the Cat Now Serves His Fifth British PM
What's the Difference Between Mold and Mildew?

What's the Difference Between Mold and Mildew?

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Native American History

Plains Indians Tell Their Stories Through Ledger Art

Plains Indians Tell Their Stories Through Ledger Art
Reign of Terror: The Forgotten Story of the Osage Tribe Murders

Reign of Terror: The Forgotten Story of the Osage Tribe Murders
How the Dawes Act Stole 90 Million Acres of Native American Land

How the Dawes Act Stole 90 Million Acres of Native American Land

It's About Time

Should the U.S. Move to Permanent Daylight Saving Time?

Should the U.S. Move to Permanent Daylight Saving Time?
NASA Is Sending an Atomic Clock Into Deep Space

NASA Is Sending an Atomic Clock Into Deep Space
How Rolex Came to Rule the Wrist

How Rolex Came to Rule the Wrist

Freeze Warning

Does One Dripping Faucet Really Prevent Frozen Pipes?

Does One Dripping Faucet Really Prevent Frozen Pipes?
Why Does My Tire Pressure Light Come on When It's Cold?

Why Does My Tire Pressure Light Come on When It's Cold?
Why Is Salt Used to Melt Ice on the Roads in Winter?

Why Is Salt Used to Melt Ice on the Roads in Winter?