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Ask the expert
The Scientific Magic of Teflon
Why does nothing stick to Teflon? And how is it applied to pots and pans nonetheless?
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Order Out of Chaos
The Periodic Table’s Precious Metals
Beyond gold: Some metals cost tens of thousands of dollars per kilogram, and radioactive elements fetch even more.
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Science at Home
The Plumbers’ Secret Code
Write a secret message that only you can read, using just some magic tape
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Order Out of Chaos
Endangered Elements
Some of the elements that make up our world may disappear very soon
