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How Much Do You Know About Your Organs?
play.howstuffworks.com/quiz/how-much-do-you-know-about-your-organs
You may think you know your body, but there are 78 organs that are helping it function. Just how well do you know your organs and what they do for you?
The Engine Quiz for Auto Experts
play.howstuffworks.com/quiz/the-engine-quiz-for-auto-experts
When you lift the hood of your car, do you see a finely tuned piece of machinery made up of pistons and cylinders, or just a jumble of metal and wires? If you know an engine like the back of your own hand, take the quiz and prove it!
Smarter Than the Average Driver? Take This Car Quiz!
play.howstuffworks.com/quiz/smarter-than-the-average-driver-take-this-car-quiz
Are you the person your friends turn to when they have a car-related question? Maybe you're not the one, but you think you should be. Take this quiz and see if you're smarter than your average driver!
What's Your UK IQ?
play.howstuffworks.com/quiz/whats-your-uk-iq
Knowing the British Isles and Northern Ireland well can be the work of a lifetime - and you need a pretty fine mind to truly understand it. Just how clever are you when it comes to the UK?
How Well Do You Remember the 2000s?
play.howstuffworks.com/quiz/how-well-do-you-remember-the-2000s-1
Did you spend your nights taking care of your Neopets? Remember who Facebook was actually created for? When did the King of Pop pass away? Test your knowledge about one of the most memorable decades of recorded history, the 2000s!
Where Have All the Water Fountains Gone? Here's Why We Should Bring Them Back
science.howstuffworks.com/engineering/civil/water-fountains.htm
Drinking fountains have faced a challenge from bottled water, but they seem to be making a comeback. By the way, we throw away over 60 million PET water bottles every day in the U.S. alone.
Is Ethanol Bad for Your Car?
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/ethanol-damage-engine.htm
Specially engineered Flexible Fuel Vehicles (FFVs) can tolerate an E85 mixture of gasoline and ethanol. But will ordinary cars and trucks be able to stand up to the new blend?
5 Reasons Why Flossing Is Extremely Important
health.howstuffworks.com/wellness/oral-care/products/5-reasons-flossing-is-important.htm
Did you know? Flossing is extremely important to your oral hygiene and overall health. See five reasons why flossing is important and get motivated to floss.
Is there a link between intelligence and mental illness?
Is there any truth to the stereotype of the mad scientist? Turns out there is a link between high IQs and mental illness. Researchers are still not sure why.
Rarest Animals in the World: 10 Critically Endangered Species
animals.howstuffworks.com/endangered-species/rarest-animals.htm
The 10 rarest animals in the world are still found in the wild but are dangerously close to becoming extinct.