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Frequency Formula Basics: 2 Ways to Calculate Frequency
science.howstuffworks.com/math-concepts/frequency-formula.htm
Frequency is a fundamental concept when you're talking about waves, whether that means electromagnetic waves like radio waves and visible light, or mechanical vibrations like sound waves.
The Coldest Country in the World Is Below Freezing, on Average
science.howstuffworks.com/nature/climate-weather/atmospheric/coldest-country-in-the-world.htm
Over our long history, humans have managed to thrive in a wide range of climates, from the very hot to the very cold. The modern world is different in many ways from the ancient, but we still live pretty much all over, in places that are sweltering and places that are absolutely frigid.
What We Do — and Don't — Know About the Pentagon's Secret UFO Program
Does the U.S. government have proof there is life from other worlds visiting Earth?
When Grave Robbers Hold Famous Corpses for Ransom
history.howstuffworks.com/historical-figures/famous-corpses-ransom-grave-robbing.htm
What are some examples of celebrity corpsenappings? Learn more in this HowStuffWorks article detailing stolen corpses held for ransom.
Why Ice Usually Freezes Cloudy, Not Clear
Ice cubes usually look cloudy and opaque in the middle, despite the fact that water is clear. What's the deal?
Are There Tornadoes in Europe?
science.howstuffworks.com/nature/natural-disasters/do-tornadoes-only-occur-in-north-america.htm
North America certainly has many claims to fame. It's got the Great Lakes, the Grand Canyon and Niagara Falls -- all pretty impressive stuff. But can it claim tornadoes as uniquely its own -- and if so, what's up with that?
How Much Do You Know About Botany?
play.howstuffworks.com/quiz/how-much-do-you-know-botany
The science of plants is amazing in its complexity - and its simplicity as well! In this quiz, we'll discover some obvious and not so obvious facts about the plants that surround us on this beautiful planet! When you're done, you'll be inspired to start a garden, plants a tree or just stare at nature in a daze.
7 Foreign TV Shows Americans Love, Even With Subtitles
entertainment.howstuffworks.com/7-foreign-crossover-tv-shows.htm
Foreign and foreign-language TV shows are making the crossover to American audiences in a huge way. Here are some must-sees.
The Fascinating World of Itchy Noses: Superstitions and Meanings Explained
people.howstuffworks.com/nose-itching-superstition.htm
Explore the intriguing nose itching superstition. Uncover cultural beliefs and meanings. Delve into the world of superstitious nose itching.
What Is It Like in the Eye of a Tornado?
science.howstuffworks.com/nature/natural-disasters/eye-of-tornado.htm
The eye of a tornado isn't something that most of us see. Usually, if you see a tornado you go and hide. But let's look into the eye of a tornado.