In the News
Scientists Say: Hey, Hikers, Stop Stacking Rocks!
Feb. 27 By Melanie Radzicki McManus
Straitjackets Are Still in Use, Just Not Where You Think
Feb. 27 By Adrian Rogers
How the Panama Canal Makes Water Flow Uphill
Feb. 27 By John Donovan
How Patriot Missiles Work
Feb. 27 By Sarah Gleim, Marshall Brain
Ancient Egyptians Believed Cats Had 'Divine Energy'
Feb. 27 By Dave Roos
The Magical Medicine of Bezoars
Feb. 27 By Loraine Fick
When Was the Radio Invented?
How Much of Our Brain Do We Use? Debunking the Myth
The San Andreas Fault: Is the Big One Coming?
The Four Planets With Rings Might Surprise You
How the Pledge of Allegiance Went from Marketing Ploy to Classroom Staple
How the Mafia Works
Who Was John Calvin, and What Is Calvinism?
10 Common Sayings You're Probably Saying Wrong
Hammerhead Worms Are Toxic and Invasive, But Are They Dangerous?
The Porbeagle Shark Hunts With Dogged Determination
What Is a Wolfpack Mentality?
Birds Fly, Right? Meet 7 That Totally Can't
A River Runs Through It
The 9 Longest Rivers in the World: From the Nile to the Congo
When it comes to rivers, longest doesn't necessarily mean biggest, and length can be difficult to determine, so the top spot will always be debated.
Get Your Garden On
Deserts of the World
5 of Earth's Highest Deserts
Not all deserts have sand and they're certainly not all hot. They're just extremely dry and have little vegetation. That means deserts are located all over the planet, including at super-high elevations.