Electrometallurgy, the science of producing metals from metallic ores through the use of electricity. It deals with both the use of electricity for various heating processes and the use of electricity to produce chemical changes (a process called electrolysis).
Nobody wants to be on the receiving end of the services offered through morgues. In this quiz, you'll test your knowledge of who's doing what to your body between your death and your grave.
Atoms: the building blocks of life and the universe. We're all made of these microscopic bits of matter, but how many does it take to make a complete human being? And exactly what kinds of atoms do we have inside us?