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What Is an Earthquake?

By Jamie Condliffe on at

Who isn't afraid of being waken abruptly by a shaking building whose roof is caving in? Or a huge tsunami sweeping though your town? Earthquakes are terrifying. But what exactly are they? Why do earthquakes happen?

What Are Steroids?

You might have a friend who has to take them for asthma. You might know someone else who denies taking them but has gotten crazy ripped really fast and angers easily.

What Is a Hangover?

Yippee! Let's poison ourselves with beverages that will make us violently ill! It was your battle cry last night, and today you're paying the price. But what is that hangover you're experiencing, exactly?