paraffin

At the height of his talent (often coinciding with the period of heavy depression), Van Gogh thought of installing a gas pipeline to the house he rented in Arles, southern France,

Originating in Sydney in 2007, every year on the last Saturday of March, people all over the world turn off all electrical appliances for 1 hour to respond.

US scientists have developed artificial muscle that is 200 times more potent than muscle fibers similar in size to human muscle.