Magnetism is a class of physical phenomena that are mediated by magnetic fields. Electric currents and the magnetic moments of elementary particles give rise to a magnetic field, which acts on other currents and magnetic moments.
A simple introduction to magnetism, electromagnetism, and some of the things we can use them for.
Animal magnetism, also known as mesmerism, was the name given by the German doctor Franz Mesmer in the 18th century to what he believed to be an invisible natural force (lebensmagnetismus) possessed by all living/animate beings (humans, animals, vegetables, etc.).