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How Human Reproduction Works
health.howstuffworks.com/pregnancy-and-parenting/pregnancy/conception/human-reproduction.htm
Reproduction is a basic drive in all animals, including humans. Think you know what human reproduction is all about? Discover the biology of sex.
10 Hardest Things to Teach a Robot
science.howstuffworks.com/10-hardest-things-to-teach-robot.htm
If we're ever going to live in a world in which machines behave like people, we humans have some teaching to do. But as this writing robot attests, we're not as far away as you might think.
How Ozone Pollution Works
science.howstuffworks.com/environmental/green-science/ozone-pollution.htm
We want the ozone layer, but we don't want ozone pollution... Good in the atmosphere but bad on the ground? Find out about ozone pollution, how it affects you and what you can do about it.
How Pollen Works
science.howstuffworks.com/life/botany/pollen.htm
Pollen grains are, in essence, plant sperm. But how do the grains get where they need to go, and what's the advantage of trusting your genetic future to the winds?
5 Strange Pregnancies
health.howstuffworks.com/pregnancy-and-parenting/pregnancy/issues/5-strange-pregnancies.htm
Some strange pregnancies have occurred, including a pregnant man. Take a look at this list of five strange pregnancies to learn more.
13 Home Remedies for Bursitis
health.howstuffworks.com/wellness/natural-medicine/home-remedies/home-remedies-for-bursitis.htm
Using safe and simple home remedies for bursitis, you can help alleviate some of the aches and pains. Learn about home remedies for bursitis.
How Does a Breathalyzer Work?
electronics.howstuffworks.com/gadgets/automotive/breathalyzer.htm
A roadside sobriety test of touching one's nose or walking a straight line cannot rule out a high blood alcohol concentration. That's why the Breathalyzer is such a game-changer. But how does a Breathalyzer work? Read on to find out!
How to Play Horseshoes
entertainment.howstuffworks.com/backyard-fun-games/horseshoes.htm
Ringers, pitching and dead shoes -- the sport of horseshoes has a colorful language all its own. Learn about the rules and strategy of pitching a game.
The Frog Quiz
play.howstuffworks.com/quiz/the-frog-quiz
"It's not easy being green," a famous frog once told the world (in song, no less). But if you paid attention in science class, you shouldn't find this quiz too hard! Good luck!
Can You Name All of These Sea Animals?
play.howstuffworks.com/quiz/can-you-name-all-of-these-sea-animals
The world's oceans are homes to countless numbers of beautiful, horrifying and adorable animals-all fascinating! How many of these marine creatures do you think you can you name? You "otter" do better than you think you will!