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Cobalt: Essential for Batteries and Bright Blues
science.howstuffworks.com/environmental/earth/geology/cobalt.htm
Cobalt is associated with the color blue, but it's so needed for rechargeable batteries that the U.S. put it on the list of minerals it can't live without.
How Queen Elizabeth Fell in Love With Corgis
history.howstuffworks.com/historical-figures/queen-corgis.htm
As we pay tribute to Queen Elizabeth II, we look at one well-known part of her life: her love of corgis.
Owl Omen and Symbolism: Why Do Owls Fascinate Us?
animals.howstuffworks.com/birds/owls.htm
From ancient times until today, people have been captivated by these iconic, mysterious birds. What is it about owls that makes them the enduring subject of myth and superstition?
How The Pythagorean Theorem Helps Solve a Right Triangle
science.howstuffworks.com/math-concepts/pythagorean-theorem.htm
The Pythagorean theorem, which explains how to calculate the longest side of a right-angled triangle, is an ancient mathematical statement that still buttresses modern-day construction, aviation and even how we navigate through traffic.
What Are the Different Types of Life Insurance?
money.howstuffworks.com/personal-finance/family-finance/different-types-life-insurance.htm
Are you confused by the difference between term and whole insurance, as well as all the other life insurance you can buy? HowStuffWorks sorts it out.
Here We Go!: The 'Super Mario Bros.' Quiz
play.howstuffworks.com/quiz/super-mario-bros-quiz
For a child of the '80s or '90s, nothing says nostalgia like those opening notes of the "Super Mario Bros." theme song. Think you know your Koopa Troopas from your Goombas? Test your knowledge of "Super Mario Bros." 1 through 3!
Can You Pass a Train Conductor Exam?
play.howstuffworks.com/quiz/can-you-pass-a-train-conductor-exam-
Everyone on board, as we are going to test your knowledge and see if you can pass the train conductor exam! Do you have what it takes to do the locomotion?
How Much Do You Really Know About HVAC?
play.howstuffworks.com/quiz/how-much-do-you-know-hvac
HVAC professionals help us stay warm or cold on the days we need it most. Think you can keep your cool on this quiz? Take it to find out!
A Very Brady Quiz: Do You Remember Your Favorite TV Family?
play.howstuffworks.com/quiz/how-well-do-you-remember-the-brady-bunch
The Brady's were America's favorite family in the '70s and have been immortalized throughout the last four decades. Whether you had a crush on Marcia or wanted to hang with Greg, there's a good chance you spent much of your childhood immersed in the Brady's antics. Take this quiz to see how much you remember!
The Fascinating Stories Behind 5 of the World's Big Currency Symbols
money.howstuffworks.com/currency-symbols.htm
Why does the dollar sign have a slash? Did a British pound originally weigh 1 pound? Find out the stories behind these and other currency symbols