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What is American cheese?

What is American cheese, and how does it differ from the cheese we eat that doesn’t come in individually-packed slices?

How do 3D printers work?

Not long ago, the idea of printing three-dimensional objects at home might have sounded like a thing out of The Jetsons. So how do 3D printers work, anyway?

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Why confidence matters

We spend a lot of time and effort developing our skills and abilities, but there’s one key element that can hold us back despite all of our efforts: our confidence.