Category: Planet Earth

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What Is The World's Largest Tree?

The largest tree in the world is a giant sequoia (Sequoiadendron giganteum) in California's Sequoia National Park. Called General Sherman, the tree is about 52,500 cubic feet (1,487 cubic meters) in volume. That's the...

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How Do Smoke Detectors Work?

In the United States, a person dies in a fire or from a fire related injury every two hours. According to National Fire Protection Association data, most people who survived house fires were able...