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Description: Plasma makes up 99.9% of the visible universe, but what is it? This video discusses what plasma is, where it lives, and how NASA studies it.#plasma...
Plasma is the fourth state of matter. It is created when a gas is heated or placed in a strong magnetic field, where its atoms and molecules release electrons a...
In Mexico most journalists are calling for the state itself to stop killing them. The lines between organized crime and government officials have become ever mo...