How many different letters are used in the modern system of Roman numerals ?


Braille is based around a grid of how many dots ?


Audrey, Cygnus, Gwen, Ibis, Ion, Lucill, Minerv, Perseu, Phoeni, Vera and Zena are all 'literally' connected, what are they ?


Revised and expanded via 23 major editions, the latest in 2011, it has grown from a 4-page pamphlet in 1876 with fewer than 1,000 classes to a four volume set. Originally published by Melvil Dewey in 1876, where would you find his system used today ?


British drivers call it a bumper. What do Americans call it ?


What does white smoke coming from the Vatican chimney mean ?


If you birthstone is turquoise, which is your birth month ?


In the well-known saying, 'He who can, does; he who cannot....' does what ?


What does UHT on a carton of milk stand for ?


Which country in May 2015 became the first to legalise same-sex marriage as a result of a Referendum ?