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What is gravity?

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What is gravity? How does gravity affect virtually everything on Earth? Learn about gravity in this article from HowStuffWorks.

How Swine Flu Works

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Swine flu has been a growing concern. Take a look at the history of swine flu and swine flu symptoms, treatment and swine flu prevention.

How Crossbows Work

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The crossbow, a weapon popular with Wookiees, vampire slayers and some modern hunters, looks like a cross between a bow and a rifle. Learn how it was invented.

5 Hugely Fun Facts About Mass (Not Weight)

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Weight is the measurement of gravity's pull on an object. And it varies by location. Mass is a different beast altogether.

How to Become an Airline Pilot

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Airline pilots have an amazing job with huge responsibilities. Learn what it's like to be a pilot and what it takes to make it in this highly competitive profession.

How Maps Work

science.howstuffworks.com/environmental/earth/geophysics/map.htm

A map is a type of language, a graphic way of representing information, whether it's to show population density or tell you how to get from Point A to Point B. Here's how they're made.

'Most Likely to' Questions Based on Big Five Personality Traits

science.howstuffworks.com/life/inside-the-mind/most-likely-to-questions.htm

Psychologists who study the human personality often refer to the Big Five personality traits, a model that separates general characteristics into five categories: openness, conscientiousness, extraversion, agreeableness and Neuroticism. This psychological model is also known by the acronyms, OCEAN and CANOE.

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