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How can I make a pinewood derby car go faster?
entertainment.howstuffworks.com/question169.htm
Pinewood derby cars are a favorite pastime for kids and adults alike. Learn how pinewood derby cars use gravity and how you can make yours go faster.
What's my target heart rate?
health.howstuffworks.com/diseases-conditions/cardiovascular/cholesterol/target-heart-rate.htm
Target heart rate is a desired rate of heart rate. Learn more about target heart rate at Discovery Health.
What is the actual cost of roadside assistance?
auto.howstuffworks.com/under-the-hood/cost-of-car-ownership/cost-of-roadside-assistance.htm
What is the actual cost of roadside assistance? Visit HowStuffWorks to find out what the actual cost of roadside assistance is.
What is the gray goo nightmare?
science.howstuffworks.com/gray-goo.htm
Gray goo is a possible scenario if nanomachines get out of hand. See what gray goo is and all about a possible gray goo nightmare.
What Kind of Bender Are You From "The Legend of Korra"?
play.howstuffworks.com/quiz/what-kind-of-bender-are-you-from-the-legend-of-korra
Which element is strongest in your personality? Are you an airbender like Korra, a waterbender like Kya, an earthbender like Kuvira or a firebender like that #HotBoySummer Mako? There's only one way to find out - play this quiz!
Can plants think?
science.howstuffworks.com/life/botany/plants-think.htm
Thinking allows us to solve problems, plan ahead and defend ourselves from outside threats. It's what separates us from "lower" life-forms like plants, right? Well, maybe not.
What Was the Biggest Dinosaur? Here Are the 4 Best Estimates
animals.howstuffworks.com/dinosaurs/biggest-dinosaur.htm
Determining the biggest dinosaur is a tricky process. Dinosaurs are extinct, so scientists can't simply go out and measure the world's biggest dinosaurs.
Each Year Spiders Eat Millions of Tons of Food More Than Humans
animals.howstuffworks.com/arachnids/spiders-eat-millions-tons-food-more-humans-annually.htm
Spiders not only eat more meat than humans every year, they also spend a lot of time getting eaten themselves.
Perpendicular Lines Create All the Right Angles in the World
science.howstuffworks.com/math-concepts/perpendicular-lines.htm
If two lines are perpendicular to the same line, they are parallel to each other and will never intersect.
Is your hobby income taxable?
money.howstuffworks.com/personal-finance/personal-income-taxes/is-hobby-income-taxable.htm
If you make money on a hobby, is it taxable? Find out if hobby income is taxable in this article from HowStuffWorks.