Three Things You Didn't Know About...

• Three Things You Didn't Know About: Acid
  Three Things You Didn't Know About: Acid

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  Everyone knows acid burns, but what else can it do? Does acid really melt flesh? How much do we depend on acid?

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• Three Things You Didn't Know About: Balls
  Three Things You Didn't Know About: Balls

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  Where are the major league balls for America's favorite pastime made? Why does a pig-skin travel farther if you put some spin on it? Are bowling balls lop-sided?

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• Three Things You Didn't Know About: Carbon
  Three Things You Didn't Know About: Carbon

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  Discover three things you didn't know about this amazing element.

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• Three Things You Didn't Know About: Cheese
  Three Things You Didn't Know About: Cheese

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  What's America's favorite cheese? How much American cheese does the largest producer crank out? Why does Swiss cheese have holes?

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• Three Things You Didn't Know About: Chocolate
  Three Things You Didn't Know About: Chocolate

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  What's in the average bag of milk chocolate M&M's? Where's the ultimate chocolate pig-out? How much chocolate does the average American consume?

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• Three Things You Didn't Know About: Corn
  Three Things You Didn't Know About: Corn

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  How does corn pop? How ubiquitous is corn? How does corn become the alternate of fuel ethanol?

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• Three Things You Didn't Know About: Fertilizer
  Three Things You Didn't Know About: Fertilizer

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  Discover three things you didn't know about fertilizer.

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• Three Things You Didn't Know About: Freight Trains
  Three Things You Didn't Know About: Freight Trains

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  Where's the largest rail yard located? How do you keep multiple trains traveling in different directions on the same track without becoming a train wreck? How is manufacturing a freight train like playing air hockey?

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• Three Things You Didn't Know About: Milk
  Three Things You Didn't Know About: Milk

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  What is homogenization? What's on a dairy cow's menu? Just how big is the dairy industry?

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• Three Things You Didn't Know About: Saws
  Three Things You Didn't Know About: Saws

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  Discover three things you didn't know about saws.

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• Three Things You Didn't Know About: The Pig
  Three Things You Didn't Know About: The Pig

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  Discover three things you didn't know about pigs.

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• Three Things You Didn't Know About: Truck Stops
  Three Things You Didn't Know About: Truck Stops

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  Discover three things you didn't know about truck stops.

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• Three Things You Didn't Know About: Vacuums
  Three Things You Didn't Know About: Vacuums

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  What kind of vacuum do you need for a real disaster? Where is the largest vacuum chamber? What's the rarest home vacuum collectible?

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• Three Things You Didn't Know About: The World's Sharpest
  Three Things You Didn't Know About: The World's Sharpest

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  Why are razor blades strong as well as sharp? Why do rats have such sharp teeth? What was the sharpest blade used in battle?

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