This site is provided by the American Chemistry Council's Science Center. The first experiment is called Sunscreen and Light Energy, which shows how chlorine is an ingredient in sunscreen and how it helps protect people...
Linus Pauling was one of the most important scientists of the 20th century, and he remains the only person ever to receive two unshared Nobel Prizes: the first was awarded to him for Chemistry (1954) and the other for...
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