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How Acid Rain Works
science.howstuffworks.com/nature/climate-weather/atmospheric/acid-rain.htm
Acid rain is caused by emissions of sulfur dioxide and nitrogen oxides from power plants, cars and factories. Find out how acid rain is produced.
Do You Know Which Religion Is Most Commonly Practiced in These Countries?
play.howstuffworks.com/quiz/do-you-know-which-religion-is-most-commonly-practiced-in-these-countries
There are about 195 different countries in the world. They all have their own cultures and customs and, of course, religious diversity. But who believes what? If you think you know your world religions, grab your globe and prove your faith!
We Challenge You to ID All of These Species If You Think You're a Snake Expert!
Snake eyes are bad when you're rolling the dice, but pretty cool when you're just dealing with real snakes. If you're feeling like betting on your snake expertise, take this quiz and show us what you've got!
Can You Identify These Australian Fish?
play.howstuffworks.com/quiz/can-you-identify-these-australian-fish
In a land dominated by Tasmanian devils, kangaroos and the mighty platypus, you just know there's more than meets the eye under the water, too. Care to wade in and test your knowledge of the fish found in Australia?
How Nurse Sharks Work
animals.howstuffworks.com/fish/sharks/nurse-shark.htm
Nurse sharks are mellow, sluggish sharks that hover above the ocean floor. See why nurse sharks don't have that much in common with great whites.
Ultimate Guide to Recycled Glass Jar Crafts
lifestyle.howstuffworks.com/crafts/recycled/recycled-glass-jar-crafts.htm
Recycled glass jar crafts can be a lot of fun to make. Visit HowStuffWorks to learn all about making recycled glass jar crafts.
Why Can't We Solve the Amelia Earhart Mystery?
history.howstuffworks.com/history-vs-myth/amelia-earhart-mystery.htm
Why can't we solve the Amelia Earhart mystery? Read about her disappearance and why what happened to Amelia Earhart remains a mystery.
7 Types of Snakes: Venomous, Nonvenomous and Constrictors
animals.howstuffworks.com/snakes/types-of-snakes.htm
The black mamba, one of the world's most feared snakes, can strike multiple times in rapid succession, delivering enough venom to kill multiple humans within minutes. This is just one of the many reasons snakes are among the most fascinating creatures on Earth.
How a Sharknado Would Work
science.howstuffworks.com/nature/natural-disasters/sharknado.htm
It's hard to resist a movie where bloodthirsty beasts fall from the sky, especially if Ian Ziering stars! How might the science behind this B movie work?
How Tiger Sharks Work
animals.howstuffworks.com/fish/sharks/tiger-shark.htm
Tiger sharks are named for the dark spots and stripes that mark juveniles. Learn how tiger sharks are equally as ferocious as tigers.