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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Helium, a chemical element that is a colorless, odorless, and tasteless gas at most temperatures and pressures.

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As far as stimulating the human central nervous system, meth can hold its shaky, toothless head high. What about this drug makes its sleepless, twitchy, paranoid users so insatiable?

Are compounding pharmacies regulated?

Compounding pharmacies don't usually get a lot of media coverage for good news. It's the mistakes that tend to make the evening news. It turns out that U.S. regulatory practices for compounding pharmacies tend to follow much the same pattern.

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