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How Marijuana Works

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Marijuana isn't just a recreational drug for hippies and philosophy majors -- its psychoactive history ranges from Egyptian mummies to modern U.S. politics. What's the big deal about this leafy, green plant?

How Mars Odyssey Works

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Mars Odyssey is NASA's latest Mars spacecraft, and it's going to the red planet in search of water. Learn how this orbiter could pave the way for manned missions to Mars!

How Mass Spectrometry Works

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Mass spectrometry is an aspect of science that could finally put the steroid era of baseball to an end. Learn about mass spectrometry.

How Math Works

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A world without math is unimaginable. It's a part of who we are. It's the analytical juice of our left brain. In the words of physicist Richard Feynman, even a fool can use it. So why do so many of us turn our backs on numbers?

How Medical Marijuana Works

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Medical marijuana is hailed by some but demonized by others. What's the truth about medical marijuana? Learn about the medical uses of cannabis.

How Mermaids Work

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She's a Disney princess, a Starbucks Coffee logo and a metaphor for transformation. Occasionally, she's even "photographed." Why are humans so fascinated with these creatures?

How Meteorology Works

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Meteorology is the study of the atmosphere and the myriad phenomena that keep it in moving. Learn how far meteorology has come over the years.

How Meth Works

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Meth, or methamphetamine, is a stimulant that can leave users toothless and paranoid. So why do so many people go after that high? Learn what meth can do.

How Military Camouflage Works

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Camouflage is critical in military operations. Learn about different types of camouflage and see how the art of blending in is keeping up with modern detection systems.

How Military Flyovers Work

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Military flyovers are explained in this article. Learn about military flyovers.