this week on the howstuffworks tv show

thursdays at 8 p.m. et/pt

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We humans like to trade one problem for another. We give up drinking only to take up smoking. Will we also exchange a reliance on dwindling fossil fuels for a food shortage caused by ethanol production?
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Most of us think of water as the healthiest drink in the world. But in abnormal amounts, it can actually cause death. How can a liquid you need to stay alive end up killing you?
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Some say that during a rainstorm, turkeys will stare up at the sky with their beaks hanging open, transfixed, until they drown. Is this really true?
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Espresso, cappuccino, latte, double latte, double mocha latte ... Espresso drinks have become coffee-shop staples all over the world. But how does an espresso machine work?
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Tropical rainforests are the most diverse ecosystem on Earth and also the oldest. What makes rainforests such a bountiful environment for plants and animals? And are some rainforests in danger?
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They don't have engines, brakes or accelerators. No, these amazing machines rely on physical, centripetal and gravitational forces to urge thrills, screams and that sinking stomach feeling we all love.

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Hydraulic equipment is amazing in its strength and agility. From common backyard machines to the huge machines you see on construction sites, hydraulics make quick work of even the most difficult tasks.

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