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There Are 6 Different Eye Shapes. Which One Is Yours?

health.howstuffworks.com/human-body/systems/eye/6-eye-shapes.htm

Knowing your eye shape can help with everything from selecting eyeglass frames to shaping the perfect brow.

What's Your Spirit Animal?

play.howstuffworks.com/quiz/whats-your-spirit-animal

A spirit animal has been defined as "an animal, plant, or natural object serving among certain tribal or traditional peoples as the emblem of a clan or family and sometimes revered as its founder, ancestor, or guardian". But for most folks these days, a spirit animal is a creature you feel a kinship with, whose characteristics represent something about your skills and interests. Take this quiz to find out which one is yours.

Which Periodic Element Are You?

play.howstuffworks.com/quiz/which-periodic-element-are-you2

While the periodic table of elements might seem boring, the elements can be fiery and reactive just like people. Take this quiz to find out which element you are most like!

The Spinning Mule's Impact on the Industrial Revolution

science.howstuffworks.com/innovation/inventions/spinning-mule.htm

The spinning mule shaped the textile industry and society as a whole during the Industrial Revolution. Read on to learn about the groundbreaking invention.

How Many Books Are There in the World?

entertainment.howstuffworks.com/arts/literature/how-many-books.htm

Roughly 156 million books are out there...we think. The answer is more complex than you'd imagine, but we've made an educated guess.

Do Cats Have Periods? Not Like Humans, but Cats Do Have Cycles

animals.howstuffworks.com/pets/do-cats-have-periods.htm

If you're a pet parent with a female kitten, you may wonder: Do cats have periods? The answer is a bit complex.

Can Cats Eat Bananas? How Much Banana Is Safe for a Cat?

animals.howstuffworks.com/pets/can-cats-eat-bananas.htm

Can cats eat bananas? The short answer is yes — but only in moderation.

Can Cats Eat Cheese? What Kinds of Cheese Are Cat-friendly?

animals.howstuffworks.com/pets/can-cats-eat-cheese.htm

Can cats eat cheese? The answer depends on your cat. While many cats eat cheese without immediate problems, it’s not always a good idea. Most cats are lactose intolerant, meaning dairy products like cheese can cause digestive issues.

8 Dog Breeds for Police Work and Military Jobs

animals.howstuffworks.com/pets/dog-breeds-for-police-work.htm

Police dogs serve alongside law enforcement to protect, search, and rescue. The dog breeds for police work must be intelligent, strong, and adaptable, with extensive training allowing them to handle crime scenes, track missing people, or control crowds.

Bumble Bee vs. Carpenter Bee Stings and Flight Patterns

animals.howstuffworks.com/insects/bumble-bee-vs-carpenter-bee.htm

Bees are some of the world’s most important pollinators, but not all species behave the same. When it comes to bumble bee vs. carpenter bee species, these two often get confused.

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