THE LARGEST HUMAN ORGAN: skin, with an average weight of 10,886 g (24 lb)THE WORLD'S FASTEST BIRD: peregrine falcon, dives after prey at 200 mph (322 km/h)THE WORLD'S TALLEST BUILDING: Burj Khalifa in Dubai, at 828 m (2,717 ft)It's time to celebrate your inner geek with this treasure trove of lists, fascinating facts and prime cuts of knowledge. Time to brush up on what you'd forgotten or misremembered, and discover what you never had a clue was true. Ranging across history, science and the natural world, taking in sport, film, food and much more, Man Facts gives you a wealth of up-to-date stats and eye-opening trivia that will make you a general-knowledge genius, or at least help you nail your next pub quiz. Whether you want to be the smartest person in the room or just furnish your mind with incredible information, look no further!