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Why Do We Sleep?
science.howstuffworks.com/life/inside-the-mind/human-brain/sleep.htm
Every animal sleeps -- some more than others -- but why they do it is a mystery to scientists. Is sleep more than just beauty rest? Could skimping on it kill you? And how much do you really need?
How Fainting Goats Work
animals.howstuffworks.com/mammals/fainting-goat.htm
Fainting goats have been a source of humor in web videos and out in the fields. Learn why fainting goats faint and why fainting goats are bred.
How Internet TV Works
electronics.howstuffworks.com/internet-tv.htm
Internet TV streams television signals over the Internet to a person's computer screen or TV set.
How Rail Guns Work
science.howstuffworks.com/rail-gun.htm
Rail guns leave gunpowder-based weapons in the dust (one can hit a target 250 miles away in six minutes). So why isn't the military using them? Find out how rail guns can be used and learn about the limitations of this technology.
How Long After Sex Does Conception Occur?
How long after sex does conception occur? Visit HowStuffWorks to learn how long after sex conception occurs.
Can You Recognize Every Letter of the Alphabet in Cursive?
play.howstuffworks.com/quiz/can-you-recognize-every-letter-of-the-alphabet-in-cursive
Has it been so long since you've seen cursive that you've lost your touch? Take a look at these letters and see if you remember what they are! Will you know as many as you would have known in elementary school?
How Well Do You Remember the 2000s?
play.howstuffworks.com/quiz/how-well-do-you-remember-the-2000s
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!
Can You Name More Than 11 of These Things Canadians Would Know?
play.howstuffworks.com/quiz/can-you-name-more-than-11-of-these-things-canadians-would-know
When it comes to your knowledge of Canada, are you a geography genius, a political prodigy or more of a pop culture maven? This quiz will test you on all the things Canadians know about their country, including its history, political landscape and the cultural events which have helped shape our nation's identity.
Can You Identify One Player on Each NBA Team?
play.howstuffworks.com/quiz/can-you-identify-one-player-on-each-nba-team
We hope you've stretched and warmed up properly for this fast-break NBA quiz! Can you score a slam dunk by going 30 for 30 in naming a member of each of the league's teams? The ball's in your court. Let's go!
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!