Recent Contributions

The most iconic agricultural pest of the past 200 years just wants to eat your potato plant.

By Jesslyn Shields

Arizona isn't all desert. Take Grand Falls, aka "Chocolate Falls." It is dry most of the year, but when it rains, this waterfall pours.

By Patty Rasmussen

Graham crackers were invented by Presbyterian minister Sylvester Graham as part of a radical 19th century diet. His goal? To curb joy and sexual desires.

By Patty Rasmussen


When you're holding something together with nothing more than spit and perhaps some duct tape (duck tape?), what is the correct term, jury- or jerry-rigged?

By Laurie L. Dove

No can opener? No worries! We've got five ingenious ways to get that tin can open.

By Alia Hoyt

Every April, the villagers of Inakadate, Japan, meet and decide what image to plant for the year. By summer, a rice paddy masterpiece will be born.

By Laurie L. Dove

The Indian giant squirrel is covered in flamboyant colors like orange, black and bright purple. But why?

By Jamie Allen


Brushing your dog's teeth might be a bit unpleasant for both of you, but it will keep your furry friend healthier longer.

By Jesslyn Shields

These prisons house some of the world's most notorious criminals. But battles rage behind their walls, oftentimes leaving inmates susceptible to torture, disease and even death. These are some of the worst prisons on the planet.

By Cherise Threewitt & Rachel Despres

If that roll of toilet paper isn't lasting as long as it used to, it's not your imagination — companies are shrinking the sizes of their products while charging the same or even more. Here's why.

By Dave Roos

The Zone of Silence is Mexico's own Bermuda Triangle, a place where radio signals don't work and an alien might just turn up. But what is the real story behind it?

By Kate Kershner


Migrating birds are dying by the billions as they lose their way and smash into lit buildings at night. Big cities like Philadelphia are turning out the lights to try and help save them.

By Stephanie Parker

You've probably seen a raw file option on your digital camera or smartphone. How is it different from the typical JPEG file and when should you use it?

By Talon Homer

There are three levels of security classification for U.S. documents related to national security. What are they and who decides how they're protected against unauthorized disclosure?

By Jeffrey Fields

Smartphones and social networking let us plan spontaneous meetups and discover new people. But do they also make us vulnerable to surveillance?

By Stephanie Crawford & Talon Homer


Death in real life is tragic, but in books, plays, movies and so on, it's entertainment. How well-versed are you in some of the most famous fictional deaths throughout history?

By Alia Hoyt

Salt may be your go-to seasoning, but it has way more uses than flavoring food. Check out this list of uses for good old NaCl that have nothing to do with cooking.

By Sarah Gleim

Good luck predicting the economic future; even the experts get it wrong. But there are sure warning signs to look for when a recession is ahead.

By Dave Roos

The power supply in your PC provides all the different voltages your computer needs to operate properly. Find out how it puts the pieces together and troubleshoot your power supply problems.

By Gary Brown & Talon Homer


If you took one of our recent newsletter quizzes, you've come to the right place for the answers.

By Coryn Briere

Americans celebrate many traditions without even considering how strange the rest of world might consider them. What do you think are some of the weirdest?

By Jessika Toothman & Melanie Radzicki McManus

It's a celestial gift in the middle of August. Just look up for a spectacular sight.

By Christopher Hassiotis

S'mores are the stuff memories are made of. But who created this ooey, gooey, chocolatey sandwich?

By Victoria Vogt


The August 2022 full moon is known as the sturgeon moon and it's extra-special this year as it's also a supermoon.

By Melanie Radzicki McManus

The FBI searched Mar-a-Lago for missing White House documents on behalf of the National Archives. How did they even know what to look for?

By Shannon Bow O'Brien