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Three Things You Didn't Know About: The World's Sharpest (1:14)
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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Three Things You Didn't Know About...
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Three Things You Didn't Know About: Acid
Three Things You Didn't Know About: AcidVideo Clip (1:05)
Video Clip (1:05)
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: BallsVideo Clip (1:12)
Video Clip (1:12)
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: CarbonVideo Clip (1:13)
Video Clip (1:13)
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: CheeseVideo Clip (1:17)
Video Clip (1:17)
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: ChocolateVideo Clip (1:14)
Video Clip (1:14)
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: CornVideo Clip (1:02)
Video Clip (1:02)
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: FertilizerVideo Clip (1:20)
Video Clip (1:20)
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 TrainsVideo Clip (1:20)
Video Clip (1:20)
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: MilkVideo Clip (1:15)
Video Clip (1:15)
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: SawsVideo Clip (1:13)
Video Clip (1:13)
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 PigVideo Clip (1:15)
Video Clip (1:15)
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 StopsVideo Clip (1:21)
Video Clip (1:21)
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: VacuumsVideo Clip (1:21)
Video Clip (1:21)
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 SharpestVideo Clip (1:14)
Video Clip (1:14)
Why are razor blades strong as well as sharp? Why do rats have such sharp teeth? What was the sharpest blade used in battle?
