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Your search for "double" returned 2,610 results
What Combination of Harry Potter Characters Matches Your Personality?
play.howstuffworks.com/quiz/everyone-is-a-combination-two-harry-potter-characters-heres-yours
You know what's better than finding out which Harry Potter character you're most similar to? It's finding out which two Harry Potter characters you're most like! We believe in double the characters for twice the fun!
How Artificial Hearts Work
science.howstuffworks.com/innovation/everyday-innovations/artificial-heart.htm
On July 2, 2001, heart failure patients gained new hope, as surgeons performed the first artificial heart transplant in nearly two decades. The AbioCor Implantable Replacement Heart is the first completely self-contained artificial heart and is expected to at least double the life expectancy of patients.
How Rainbows Work
science.howstuffworks.com/nature/climate-weather/storms/rainbow.htm
Rainbows are one of nature's most beautiful effects. Have you ever wondered how the colors end up in seemingly perfect bands? And, what about double rainbows -- how does that happen? Find out how rain and sun can align to put color in the sky.
How to Prepare Soil for Planting
home.howstuffworks.com/gardening/garden-design/how-to-prepare-soil-for-planting.htm
Good soil is the first step to a great garden. Learn how to make the most out of the soil in your area by following the tips in this article.
Food Fun: Fast Food Quiz
play.howstuffworks.com/quiz/fast-food-quiz
You've probably been living under a rock if you haven't realized how unhealthy fast food can be, but do you know exactly how many calories were in that Double Six Dollar Burger you just ate? Find out that number and lots more in our fast food quiz.
Trig Identities: A Crash Course in Complex Math Concepts
science.howstuffworks.com/math-concepts/trig-identities.htm
Fundamental trigonometric identities, aka trig identities or trigo identities, are equations involving trigonometric functions that hold true for any value you substitute into their variables.
How to Draw the Eiffel Tower in 5 Steps
lifestyle.howstuffworks.com/crafts/drawing/how-to-draw-the-eiffel-tower.htm
The Eiffel Tower is an unforgettable world landmark. This article will show you how to draw the Eiffel Tower in five simple steps.
How Backgammon Works
entertainment.howstuffworks.com/leisure/brain-games/backgammon.htm
Backgammon is a board game using dice to determine the movement of the pieces. Learn how the game of backgammon works at HowStuffWorks.
How to Draw the Taj Mahal in 5 Steps
lifestyle.howstuffworks.com/crafts/drawing/how-to-draw-the-taj-mahal.htm
One of the world's most striking buildings, the Taj Mahal makes a stunning drawing, too. Learn how to draw this building in just five steps.
Free Baby Toys Knitting Patterns
lifestyle.howstuffworks.com/crafts/knitting/free-baby-toys-knitting-patterns.htm
Learn to knit barnyard finger puppets, felted blocks, and a sweet teddy bear. Find free knitting patterns for beautiful baby toys at HowStuffWorks.