Would a dramatic change in the Earth's magnetic field affect creatures that rely ... this ability in everything from fruit flies to frogs. (There's no scientific evidence that humans have this ...

Materials with diamagnetic properties, such as water, have been proven to be repelled by magnetic fields. In this experiment’s case, the fields were so powerful they could hold up a frog.

The film discusses the historical development and principles of electrodynamics, starting with Luigi Galvani's chance ...