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How Irrigation Works
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Irrigation provides water to plants. Learn how different types of irrigation work and examine the advantages and disadvantages of different types of irrigation.
What If the Ozone Layer Disappeared?
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It's a strange thing to think about, but have you ever wondered what would happen if the ozone layer suddenly wasn't there? Here's a hint: Getting a bad sunburn would be the least of your problems.
93% of People Can't Crush This General Science Knowledge Quiz. Can You?
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Science may not have been everyone's favorite subject in high school, but many of these facts are common knowledge. You're a true nerd if you can guess them all.
Gardening Tips
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Take good care of your garden, and it will reward you with brighter blooms and a bigger harvest. Find tips for all gardening aspects at HowStuffWorks.
How Well Do You Know Basic Facts About the Sun?
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Stoke your astronomy know-how with this super-hot quiz that'll bake the brain with basic Sun facts. That great ball of fire in the sky is the center of the solar system, our reason for being. So warm up to the idea of scoring big on this one!
How Much Do You Really Remember from High School? Take This Quiz!
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People are typically split between thinking they learned a lot in school and those who believe they learned very little. What was your experience like?
How Venus Flytraps Work
science.howstuffworks.com/life/botany/venus-flytrap.htm
Plants that eat other creatures? It sounds like a genetic experiment gone awry. But there's actually nothing unnatural about it; carnivorous plants have been around for millions of years.
What would nuclear winter be like?
science.howstuffworks.com/nuclear-winter.htm
If the sight of a mushroom cloud burning above the horizon suggests that the nuclear weapon-equipped world might end with a bang, then nuclear winter presents the notion that post-World War III humanity might very well die with a whimper.
How Water Works
science.howstuffworks.com/environmental/earth/geophysics/h2o.htm
Water is the most essential element to life on Earth. Learn about water, the properties of water and find out how the water cycle operates.
How Coral Reefs Work
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Coral reefs are the rainforests of the sea, home to many, many marine fish species. Learn more coral reef facts and see coral reef photos and maps.