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How could a cat scuba dive?
animals.howstuffworks.com/pets/scuba-cat.htm
Scuba Cat is a conundrum: a cat that likes water -- and scuba diving. How could a cat scuba dive? Find out more.
How Ballpoint Pens Work
home.howstuffworks.com/pen.htm
Before the handy ballpoint, getting a few sentences onto paper was a pretty involved task. Find out how the ballpoint pen stores and manages its own ink supply to make writing a snap.
How the BMW H2R Works
auto.howstuffworks.com/bmw-h2r.htm
The BMW H2R is an environmentally friendly hydrogen-powered vehicle. Learn how the BMW H2R utilizes hydrogen instead of gas and see photos of the BMW H2R.
Do You Remember Who Played These "Friends" Guest Roles?
play.howstuffworks.com/quiz/do-you-remember-who-played-these-friends-guest-roles
Are you ready for the ultimate "Friends" challenge? It's the one with all the guest stars! Let's see how sharp you are when it comes to the show's most memorable celebrity appearances. Can you guess them all?
Classic Cars of the '50s Trivia
play.howstuffworks.com/quiz/classic-cars-of-the-50s-trivia
Whether you're a fan of the sleek Italian design of a Lancia Aurelia, the refined British style of a Bentley R-Type or the American muscle of a Chevy Corvette, the '50s were a decade of amazing automobiles. Cruise into the quiz and see what you know about them!
Military Trivia Quiz
play.howstuffworks.com/quiz/military-trivia-quiz
For about as long as humans have come together in groups, we've had fighting forces to protect what's ours. They've definitely changed a lot over the centuries, though. Fight your way through this quiz and see what military trivia you know!
Spider Facts
animals.howstuffworks.com/arachnids/spider-facts.htm
Love 'em or hate 'em, you've got to admit that spiders are some pretty impressive, well-equipped animals. Learn about spider facts in this article.
Are we on the brink of the flying car?
auto.howstuffworks.com/x-hawk.htm
A flying-car-style rescue vehicle called X-Hawk could be on the market as early as 2012. If it's successful, it could be the proof-of-concept that opens the doors to other flying cars still in the development stage but nearing marketability.
How can you train honeybees to sniff for bombs?
science.howstuffworks.com/bomb-sniffing-bees.htm
Those same, buzzing insects that seek out molecular hints of the pollen they use to make honey can just as easily detect traces of materials used to bombs.
How do I install attic vents?
home.howstuffworks.com/home-improvement/construction/planning/install-attic-vents.htm
Installing attics vents is simple with instruction. Learn how to install attic vents at HowStuffWorks.