What is water made of? Well, all it took was a teeny weeny drop of water to trigger a new stream of science - the science of electro-chemistry.

The twitching of a dead frog, and a healthy debate that lasted a decade resulted in one of the greatest inventions - the battery.

Oersted was giving a lecture when he noticed something odd with the compass that was lying on the table next to him.

The sun is the source of all energy we have on earth, but how does it generate all that energy?