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How to Multiply Fractions
science.howstuffworks.com/math-concepts/how-to-multiply-fractions.htm
Numerators and denominators, oh my! It sounds complicated, but learning how to multiply fractions is easy. It just takes three simple steps.
Want to Fight for Ukraine? Here's What You Need to Know
science.howstuffworks.com/foreign-fighters-ukraine-news.htm
Ukraine is seeking foreign volunteers to join the fight against the Russians. But unless you've got military experience and elite skills, you probably should stay home.
8 Everyday Items Originally Invented for People With Disabilities
Many items enjoyed by people of all abilities were originally designed to help people with disabilities. Here are some inventions you may use every day that were originally for the disabled community.
How to Find Range
science.howstuffworks.com/math-concepts/how-to-find-range.htm
Finding the range of a set of numbers is an easy subtraction problem!
Cadmium: The Highly Toxic Metal That Powers the World
science.howstuffworks.com/cadmium.htm
Cadmium is a natural metal and the leading component in rechargeable batteries and solar cells. It is also highly toxic and heavily regulated.
How to Divide Fractions
science.howstuffworks.com/math-concepts/how-to-divide-fractions.htm
Dividing fractions is easy once you learn a couple of rules and remember three words — keep, change and flip.
Lapis Lazuli: Crystal Properties, Origins and Uses
science.howstuffworks.com/environmental/earth/geology/lapis-lazuli.htm
This ancient rock adorns King Tut's coffin and the Sistine Chapel. And at one time it was more precious than gold. What is it about this deep blue rock that has drawn us in for centuries?
France's Mysterious Fosse Dionne Spring Stubbornly Keeps Its Secrets
science.howstuffworks.com/environmental/earth/geophysics/fosse-dionne-spring.htm
It's possible that the giant, deadly serpent hanging out at the bottom of Fosse Dionne spring is just a legend, but divers have disappeared trying to find out, so who knows?
What Is a Perfect Square?
science.howstuffworks.com/math-concepts/what-is-perfect-square.htm
A perfect square is a number, but it can also be explained using an actual square.
Serpent Mound, Ohio: Inside the Archaeological Mystery
science.howstuffworks.com/environmental/earth/archaeology/ohio-serpent-mound.htm
The curves of the Serpent Mound, Ohio state's massive and mysterious geological wonder, line up with the sun during equinoxes and solstices.