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What Is a Performance-enhancing Drug? Here Are 10 Examples

science.howstuffworks.com/10-performance-enhancing-drugs.htm

The list of superstar athletes accused of - and admitting to - taking performance-enhancing drugs is almost as impressive as the number of sports that they compete in. And we're not just talking about steroids.

How to Design and Plant Ground Covers

home.howstuffworks.com/gardening/garden-design/how-to-design-and-plant-ground-covers.htm

If you really want to make the most of your garden, you might also want to consider such plantings as ground covers. Find out how to design your landscape to grow ground covers beautifully.

Jupiter's Beard, Red Valerian

home.howstuffworks.com/jupiters-beard-red-valerian.htm

Jupiter's beard, or red valerian, has fragrant scarlet to red flowers in dense clusters. Learn about this easy-to-care-for perennial at HowStuffWorks.

Can Electric Car Batteries Be Recycled?

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Happily, the answer is yes -- the batteries that power electric cars (and hybrids, for that matter) can be recycled. Learn more about recycling electric car batteries.

Great Pacific Garbage Patch: The World's Biggest Landfill in the Pacific Ocean

science.howstuffworks.com/environmental/earth/oceanography/great-pacific-garbage-patch.htm

The Great Pacific Garbage Patch, the world's largest landfill, is located in the middle of the Pacific. Read about the Great Pacific Garbage Patch.

What Would Happen if the Earth Stopped Rotating?

science.howstuffworks.com/science-vs-myth/what-if/what-if-earth-stopped-spinning.htm

You can say goodbye to the seven continents and hello to days that seem infernally long. What else awaits you on a spin-free Earth?

Can You Answer These Progressively Harder Engine Questions?

play.howstuffworks.com/quiz/can-you-answer-these-progressively-harder-engine-questions

Think you can get a perfect score on this engine quiz? You might after the first few questions, but as this quiz goes on, you'll find yourself put to the test - literally! This quiz goes from the bunny slope to the black diamond ski run.

Can You Name All of These Cars?

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Are you among those who possess the automotive knowledge needed to name all these cars? Let's see how you do during this quiz! Ready, set, go!

How Fire Works

science.howstuffworks.com/environmental/earth/geophysics/fire.htm

Few things have done as much harm to humanity as fire, and few things have done as much good. Find out where fire comes from and see why it behaves the way it does. The answers might surprise you!

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