How Operating Systems Work

How Operating Systems Work

Our Top Reads

Try T'ej, the Honey Wine of Ethiopia

Nov. 17 By Katie Carman

'By Any Means Necessary': The Life of Malcolm X

Nov. 17 By Oisin Curran

10 Common Sayings You're Probably Saying Wrong

Nov. 17 By Chris Opfer

Seasonal Affective Disorder: Why It Gets You Down and How to Manage It

Seasonal Affective Disorder: Why It Gets You Down and How to Manage It

Your Grocery Store Apple Could Be a Year Old, But That's OK

Your Grocery Store Apple Could Be a Year Old, But That's OK

It's Nuts How These 6 Nuts Look Before Processing

It's Nuts How These 6 Nuts Look Before Processing

Visiting Paris? Here's What to See, in Every Arrondissement

Visiting Paris? Here's What to See, in Every Arrondissement

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Try Our Crosswords, Riddles and Puzzles!

Try Our Crossword Puzzles!

Try Our Crossword Puzzles!

Can You Guess the Answer?

Can You Guess the Answer?

Try Our Sudoku Puzzles! New Ones Added Weekly

Try Our Sudoku Puzzles! New Ones Added Weekly

In the News

Move Over Turducken. The PieCaken Is Here

Nov. 16 By Katy Spratte Joyce

Grave Matters: Why Are Caskets So Expensive?

Nov. 15 By Dave Roos

U.S. Muslims Donated More to Charity in 2020 Than All Other Americans

Nov. 15 By Rafeel Wasif, Shariq Siddiqui

Leonid Meteor Shower: What You Need to Know

Nov. 15 By Patrick J. Kiger

Blame the Supply Chain for Rising Prices and Inflation

Nov. 12 By Craig Austin

Math World Egg-static About New Egg-shape Equation

Nov. 11 By Jesslyn Shields

Why Astroworld Was a Recipe for Deadly Crowd Crush

Why Astroworld Was a Recipe for Deadly Crowd Crush

4 Unexpected Places Where Adults Can Learn Science

4 Unexpected Places Where Adults Can Learn Science

Did You Hear?

Nameless But Never Forgotten: The Tomb of the Unknown Soldier

Nameless But Never Forgotten: The Tomb of the Unknown Soldier

COP26 Methane Pledge Could Have Fastest Impact on Earth's Climate

COP26 Methane Pledge Could Have Fastest Impact on Earth's Climate

Why Do Dogs Tilt Their Heads?

Why Do Dogs Tilt Their Heads?

Flamingo Rumps Produce 'Rouge' to Primp Pink Plumage

Flamingo Rumps Produce 'Rouge' to Primp Pink Plumage

Could California Condor 'Virgin Birth' Rescue the Species?

Could California Condor 'Virgin Birth' Rescue the Species?

Science

What Are Amps, Watts, Volts and Ohms?

What Are Amps, Watts, Volts and Ohms?

What Does the Endoplasmic Reticulum Do?

What Does the Endoplasmic Reticulum Do?

France's Mysterious Fosse Dionne Spring Stubbornly Keeps Its Secrets

France's Mysterious Fosse Dionne Spring Stubbornly Keeps Its Secrets

Where Does Water Come From?

Where Does Water Come From?

Animals

Pit Vipers Can 'See' You, Even in the Dark

Pit Vipers Can 'See' You, Even in the Dark

Can Snakes Really Come Up a Toilet Pipe?

Can Snakes Really Come Up a Toilet Pipe?

Jackals: Canine Survivors and Tricksters of Folklore

Jackals: Canine Survivors and Tricksters of Folklore

Allosaurus Was a Massive 'Flesh Grazer' and Possible Cannibal

Allosaurus Was a Massive 'Flesh Grazer' and Possible Cannibal

Culture

What We Learned From the Deadliest Nightclub Fire in U.S. History

What We Learned From the Deadliest Nightclub Fire in U.S. History

Notre Dame Cathedral: What It Took to Build Her

Notre Dame Cathedral: What It Took to Build Her

How Alexander Hamilton Worked

How Alexander Hamilton Worked

Private Firefighters Have Been Dousing Flames for Decades

Private Firefighters Have Been Dousing Flames for Decades

Auto

How to Replace Your Car's Serpentine Belt

How to Replace Your Car's Serpentine Belt

Car Dealerships Get Creative to Entice Buyers

Car Dealerships Get Creative to Entice Buyers

How Diesel Engines Work

How Diesel Engines Work

Who Insures Race Car Drivers and Their Cars?

Who Insures Race Car Drivers and Their Cars?

Editor's Picks

'Disheveled,' 'Disgruntled': Why Are Some Words Only Used in Negative Form?

'Disheveled,' 'Disgruntled': Why Are Some Words Only Used in Negative Form?

How Pop-Up Turkey Timers Work

How Pop-Up Turkey Timers Work

Hematite, the Shape-shifting Mineral Used From the Stone Age to Today

Hematite, the Shape-shifting Mineral Used From the Stone Age to Today

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The Dirt on Dishwashing

Stop Hand-washing Your Dishes!

Stop Hand-washing Your Dishes!

Which Works Best: Dishwasher Pods or Powders?

Which Works Best: Dishwasher Pods or Powders?

Dishwashers Need Cleaning Too!

Dishwashers Need Cleaning Too!

The Name Game

How Did 'Fido' Become the Default Name for a Dog?

How Did 'Fido' Become the Default Name for a Dog?

A Nail Polish With a Boring Name Just Isn't the Same

A Nail Polish With a Boring Name Just Isn't the Same

Conquistadors, Gold and Charlemagne: How California Got Its Name

Conquistadors, Gold and Charlemagne: How California Got Its Name

Fungus Among Us

Everything Really Does Taste Like Chicken, Including This Mushroom

Everything Really Does Taste Like Chicken, Including This Mushroom

Phallus Impudicus: The Nastiest Mushroom Ever?

Phallus Impudicus: The Nastiest Mushroom Ever?

Can Mushrooms Actually Help Save the Planet?

Can Mushrooms Actually Help Save the Planet?