Valentine's Day is a special event for all the romantics, Romeos and Casanovas out there - but there is more to it than just roses, chocolates and cheesy cards. Love is the air, but what is love? Is it a collection of chemicals, or a mystical emotion that we are still understand? On this special day for lovers give yourself a gift and discover the science that makes 14 February so special.
If you are looking to rustle up a love potion, you may be out of luck.