Ever wondered which metal is the most dangerous? The most antibacterial or the rarest in the world? Austen Knapman have put together a list of the most mind-blowing facts we can think of .
#1. Iron is the most abundant metal in the universe.
#2. The most dangerous metal in the world due to its high radioactivity. It has also been linked to a number of high profile deaths and assassination due to its lethality.
#3. The Willis Tower in Chicago is the tallest steel building in the world - measuring 1,450 feet hight with 110 floors.
#4. Rhodium is probably the rarest metal in the world. There are no Rhodium mines that exist on Earth and only around 20-25 tonnes of the metal is extracted per year. It's high melting and boiling points, shiny surface and other essential properties also make it one of the most expensive metals around.