This is a big year for the Periodic Table of the Elements as the world celebrates the 150th anniversary of Dmitri Mendeleev's creation. We can now lays eyes on a fascinating relic of its history.

Created 150 years ago, the Periodic Table is a triumph of form and function. Now this design classic has been updated for the 21st century – and opened up to a new audience.

With the periodic table now looking complete - till its next update, at least - here are some interesting facts about the universal chart used by scientists, teachers and students.