Physical science is the study of the physical world around you. Learn about everything from electricity to magnetism in this section.
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From the archives of Discovery: Watch closely as this forensic researcher discovers and pulls fingerprints from a strip of tape. Learn more about forensic research.

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How Lead Works

Lead is one of the most maligned metals on the periodic table and for good reason. Lead poisoning is serious. But the beleaguered element isn't all bad, especially when it's protecting you from radiation.

How are Fibonacci numbers expressed in nature?

Is there a magic equation to the universe? Probably not. But thanks to one man's obsession with rabbits, we have a sequence of numbers that reflect various patterns found in nature.

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