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Yes, humans give off radiation. Humans give off mostly infrared radiation, which is electromagnetic radiation with a frequency lower than visible light. This effect is not unique to humans. All objects with a non-zero temperature give off thermal radiation. And ...

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Warm water generally gets more dense as it gets colder, and therefore sinks. This fact may lead you to believe that ice should form on the bottom of a lake first. But a funny thing happens to water as it ...

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The continental and oceanic crusts sit on a thick layer of solid rock known as the mantle. While there is a layer of liquid rock in the earth known as the outer core, this layer is about 3000 km below ...

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The daytime sky is indeed blue as seen from space. Look closely at any color-accurate photograph of earth taken from space and the blue tint of everything on the day side is unmistakable. This blue tint is the sky. The ...

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Adam Rose's gimmick is a party guy. He debuted in 2014 in May and got involved in a feud with Jack Swagger. He had a group of "Rosebuds" which included a lemon, a bunny (formerly), and others. The Party Foul ...

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Fluorescent highlighter markers are so bright because they are literally fluorescent. When used to describe highlighters, the word "fluorescent" is not a vague term that means "extra bright". Rather, this word is an exact, scientific term indicating that the highlighter ...