Potato Battery Experiment: Powering a Light Bulb With a Potato

Potato Battery Experiment: Powering a Light Bulb With a Potato

Our Top Reads

How Are Rainbows Formed? The Science Behind the Colors

Sept. 23 By Austin Henderson

Can You Power Your Computer or TV With a Bicycle Generator?

Sept. 23 By Austin Henderson

Disadvantages of Wind Energy: Do Wind Turbines Affect Health?

Sept. 23 By Austin Henderson, Julia Layton

The Science of Shade: Unlocking Photochromic Lenses

The Science of Shade: Unlocking Photochromic Lenses
What Is a Sonic Boom? Unraveling the Thunderous Phenomenon

What Is a Sonic Boom? Unraveling the Thunderous Phenomenon
The Great Flood: More Than a Myth?

The Great Flood: More Than a Myth?
Is the American Flag Still on the Moon? Objects Astronauts Left Behind

Is the American Flag Still on the Moon? Objects Astronauts Left Behind

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

Exploring the Chinese Space Station Project

Sept. 20 By Desiree Bowie, Patrick J. Kiger

When Was the Eiffel Tower Built? Eiffel Tower History and Future

Sept. 14 By Carrie Whitney, Ph.D.

Primary Colors Are Red, Yellow and Blue, Right? Not Exactly

Sept. 13 By Desiree Bowie, Michelle Konstantinovsky

Why Does the Secret Service Protect a President's Adult Children?

Aug. 31 By Dave Roos

How Long Can a Person Safely Hang Upside Down?

Aug. 31 By Jesslyn Shields

6 Wild Cats Still Found Roaming the U.S.

Aug. 29 By Michelle Konstantinovsky

Are Unicorns Real? Proof, Theories and Lore

Are Unicorns Real? Proof, Theories and Lore
What Does 'Androgyny' Mean Today?

What Does 'Androgyny' Mean Today?

Did You Hear?

Angel Number 811: Unlocking the Meaning and Significance

Angel Number 811: Unlocking the Meaning and Significance
Understanding Your Dreams: Unraveling the Hidden Meanings

Understanding Your Dreams: Unraveling the Hidden Meanings
When Will We Run Out of Oil, and What Happens Then?

When Will We Run Out of Oil, and What Happens Then?
Who Discovered X-Rays?

Who Discovered X-Rays?
How to Become an Astronaut

How to Become an Astronaut

Science

Drought Caused These 6 Famous Waterfalls to Dry Up

Drought Caused These 6 Famous Waterfalls to Dry Up
How DNA Works

How DNA Works
Haboobs Are Mother Nature's Worst Dust Storms

Haboobs Are Mother Nature's Worst Dust Storms
What Does Space Smell Like?

What Does Space Smell Like?

Culture

Frances Kelsey Stopped Thalidomide in Its Tracks, and Changed the FDA Forever

Frances Kelsey Stopped Thalidomide in Its Tracks, and Changed the FDA Forever
The 25th Amendment: The Other Constitutional Way to Remove a President

The 25th Amendment: The Other Constitutional Way to Remove a President
How a Filibuster Works

How a Filibuster Works
10 Serial Killers Who Have Never Been Caught

10 Serial Killers Who Have Never Been Caught

Animals

Turnspit Dogs: The Elizabethan Kitchen Gadget Bred to Cook Meat

Turnspit Dogs: The Elizabethan Kitchen Gadget Bred to Cook Meat
Why Do Cats Hate Water?

Why Do Cats Hate Water?
Wasps Have an Image Problem, But Here's Why We Need Them

Wasps Have an Image Problem, But Here's Why We Need Them
5 Things You Didn't Know About Squirrels

5 Things You Didn't Know About Squirrels

Auto

How Clutches Work

How Clutches Work
Can Your Truck Do the Carolina Squat? Should It?

Can Your Truck Do the Carolina Squat? Should It?
How Turbochargers Work

How Turbochargers Work
What's the Secret Behind the Numbers on the Interstate Signs?

What's the Secret Behind the Numbers on the Interstate Signs?

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