Recent Contributions
Get ready to unleash your inner wild as we prowl into the heart of the animal kingdom, where the biggest cat in the world roams. And no, we're not talking about Barivel, the Maine coon who holds the record for the longest domestic cat in the world.
In the western Sahara Desert lies a natural wonder that has intrigued scientists and adventurers for centuries. Known as the Richat Structure — or, more commonly, the Eye of the Sahara — this massive geological formation resembles a giant eye.
By Marie Look
They beep wail and some yell at you (yes yell!). Auto alarms are complex these days with sensors that set off the siren before a potential thief even touches the car. Learn all about car alarms.
By Tom Harris & Sascha Bos
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A catalytic converter is one of the most important parts of a car's emissions control system. It treats the exhaust before it leaves the car and removes a lot of the pollution. Learn how they work.
By Karim Nice, Charles W. Bryant & Sascha Bos
HDMI is more than a port on the back of a TV (and the often expensive cable that fits inside). It's a set of rules for allowing high-definition electronic devices to communicate.
Did you know that some places on Earth can get so hot that local wildlife has evolved specifically to survive the extreme conditions? In these regions, the heat isn't just a summer wave; it's a constant presence.
The sinking of the RMS Titanic is one of the most famous tragedies in maritime history, with some stories of the Titanic survivors having reached legendary status.
By Marie Look
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If you took one of our recent newsletter quizzes, you've come to the right place for the answers.
On Christmas Eve in 1971, a young woman's life changed forever when she found herself plummeting through the sky in the midst of a thunderstorm. That woman was Juliane Koepcke, the sole survivor of a tragic plane crash in the Peruvian rainforest.
By Marie Look
When you think of the imposing stature of pyramids, you might picture the Great Pyramid of Giza. But the Egypt-based structure is by no means the only impressive pyramid in the world.
By Yara Simón
Double the suns means double the suntan, double the solar energy and double the awesome sunsets, right? Well, not exactly. Having two suns might sound fun, but it would probably make for a pretty different environment here on Earth.
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Some things in this world you can just count on. The sun rises in the east and sets in the west. Certain types of birds will always fly south for the winter. But do tornadoes really only move from west to east -- and if so, why?
All bubbles pop — that's a fact of life. But what's the science behind the short life and inevitable pop of a bubble?
The blood in your veins is blue. Glass is a slow-moving liquid. If you touch a baby bird, its mother will abandon it. Not so fast –- if you learned any of those "facts" in school, what you learned was wrong.
Math is a language of symbols and equations and knowing the basic signposts is the first step in solving mathematical problems.
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Niels Bohr proposed the model of the atom that we still learn in school today, even though it's technically incorrect.
Have you ever read "Journey to the Center of the Earth" and wondered if it were possible to do it? Well, scientists are in the process of giving it their best shot. How hard is it to dig a hole this deep, and what might they find?
A new study shows that belief in perceiving patterns correlated strongly with belief in conspiracy theories and the supernatural.
By Alia Hoyt
Set over Bear Run, a tributary of the Youghiogheny River in the mountains of southwestern Pennsylvania, Fallingwater is perhaps the architect's best-known work.
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Gondwana was a humongous landmass that persisted for 300 million years before it began to break up, forming all the continents in the modern Southern Hemisphere.
Let's say you have a nice fire going, and it's reduced down to a pit of hot "glowing embers." If you now toss a piece of wood, or even a sheet of paper, onto this fire, you see a huge puff of smoke as it heats up.
How do they measure "sea level"? Is it the average of the tides? And is the sea level actually rising or not?
For Jack and his beanstalk, the sky was the limit, but nature's giants hit a point at which they can't grow any taller. What prevents lofty trees like sequoias from soaring any higher?
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From Isaac Newton to Ivan Pavlov, scientists have developed and tested hypotheses through carefully crafted experiments for centuries. Here are three groundbreaking hypotheses and the predictions they tested.
By Mark Mancini
Dragon fire is an awe-inspiring thing, but exactly how would it happen? Real-world clues from nature point the way.