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Science Panorama
The most terrible bomb in history
76 years after the first use of a nuclear bomb by mankind, the knowledge required to manufacture such a weapon is freely available to all, but it is still an expensive and complex enterprise.
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Science Panorama
The friendliest element on the periodic table
From nuclear weapons to dental health and from skillet coating to climate change. Everything about fluorine
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Ask the expert
The Matter of Life
Is the composition of living things similar to that of their surroundings? And why aren’t we made mostly of metals?
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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.
