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Do You Know If These Garden Bugs Are Helpful or Harmful?

play.howstuffworks.com/quiz/know-these-garden-bugs-helpful

There is no doubt that bugs love gardens. Gardeners know, however, that not every bug should be welcomed with open arms. Do you know enough about bugs AND gardening to say which of these bugs are helpful and which are harmful to garden plants? Dig into the quiz and find out.

The Tallest Mountain in the U.S. and 7 Close Contenders

science.howstuffworks.com/environmental/earth/tallest-mountain-in-us.htm

Although most of the highest mountains in the world are in Asia (looking at you, Mount Everest and Himalayas), the United States is home to some of the most breathtaking and impressive mountain ranges in the world.

Can You Match the National Park to the U.S. State?

play.howstuffworks.com/quiz/can-you-match-the-national-park-to-the-us-state

There's so much more to America than fascinating buildings and elaborate cityscapes. This U.S. national parks quiz showcases nature's outstanding design achievements. Prepare to be wowed by stunning facts and photos!

What's Oil Shale?

science.howstuffworks.com/environmental/energy/oil-shale.htm

Oil shale is just one unconventional oil source that's being researched. Learn how oil shale could save the day when - and if - we hit peak oil in the U.S.

Amazonite Meaning: Healing Properties, Benefits & Spiritual Power

science.howstuffworks.com/environmental/earth/geology/amazonite-meaning.htm

Discover Amazonite meaning: a soothing gemstone of balance. Explore its calming properties and spiritual significance. Dive into Amazonite's world.

How the Student Conservation Association Works

money.howstuffworks.com/economics/volunteer/organizations/student-conservation-association.htm

The Student Conservation Association partners high school students with environmental organizations. Read about the Student Conservation Association.

The Biggest Zoo in the U.S. (Plus 7 Other Gigantic Zoos)

animals.howstuffworks.com/animal-facts/biggest-zoo-in-the-us.htm

Zoos in the United States are home to some of the largest and most impressive collections of wild animals in the world. They serve the dual purpose of letting kids and adults view the animals while also helping protect endangered species and educating the public on wildlife conservation efforts.

How Many States Are in the U.S.A.?

history.howstuffworks.com/american-history/how-many-states-usa.htm

The U.S. comprises states, territories and commonwealths. So how many states are in the U.S.A.?

How Well Do You Know Your '90s Baseball Trivia?

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The '90s saw home runs on the rise and "The Evil Empire" return as the New York Yankees rose back to prominence. Do you know what else occurred in the world of baseball throughout the decade? Take this quiz and find out.

Does news coverage of mass murders lead to more mass murders?

people.howstuffworks.com/news-coverage-of-mass-murders.htm

Does news coverage of mass murders lead to more mass murders? Find out whether the media attention killers receive leads to more mass murders.

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