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Why Is Biodiversity Important for Ecosystems?
science.howstuffworks.com/environmental/conservation/issues/biodiversity-important.htm
Biodiversity means rainforests and reefs teeming with species right? There's more to it than that though. Genetic diversity has a big role to play, too. Just ask that cheetah cub.
The Ultimate Astronomy Quiz
play.howstuffworks.com/quiz/astronomy-quiz
Though the astronomy field has evolved from its primitive beginnings, there's still a boundless cosmos to explore. Test your astronomy knowledge with our quiz.
The Asian Geography Quiz
play.howstuffworks.com/quiz/asian-geography-quiz
Asia has an extremely varied geography, from mountains to plains to plateaus. Take this quiz to see how much you know about the world's most populous continent.
The Most Expensive Metal in the World Isn't Gold or Platinum
science.howstuffworks.com/most-expensive-metal.htm
Precious metals are not just shiny and attractive; these elements are also incredibly valuable, often used in a wide range of industries from jewelry to high-tech applications.
Here's Longest Bridge in the U.S., Plus 7 Runners-Up
science.howstuffworks.com/engineering/civil/longest-bridge-in-the-us.htm
Bridges are some of the most awesome and breathtaking constructions, both from a visual standpoint and from an engineering standpoint. They provide such a stark contrast with nature suspended over huge bodies of water and almost appearing to defy gravity.
What Countries Are Communist Today? Which Ones Used to Be?
history.howstuffworks.com/world-history/what-countries-are-communist.htm
Communism is a complicated, loaded word. While the strict definition is subject to lots of debate, there is broad agreement on the states call themselves communist today.
6 House Spider Species Hiding in the Corners of Your Home
animals.howstuffworks.com/insects/house-spider.htm
Spiders are some of the most common creatures we share our homes with. While they may seem scary at first, most house spider species are harmless and even helpful, keeping pest insects under control.
The Once-banned Gooseberry Has Made a Comeback in the U.S.
recipes.howstuffworks.com/gooseberry.htm
The U.S. banned the gooseberry in the early 1900s because it contributed to white pine blister rust disease. But few states outlaw it anymore, so eat up!
Are Chewbacca and Bigfoot Related?
science.howstuffworks.com/science-vs-myth/strange-creatures/chewbacca-and-bigfoot.htm
Does everyone's favorite Wookiee call Bigfoot family?
How a Frisky Feline Made Aviation History
animals.howstuffworks.com/animal-facts/kiddo-the-cat.htm
Kiddo was his name and not only was he the first cat to attempt to cross the Atlantic in an airship, but he also did it as a stowaway.