100 Things We Didn't Know Last Year

BBC has published their annual list of 100 Things We Didn't Know Last Year. Fascinating as ever! Highlights include:

21. Only about half of China's population can speak the national language, Mandarin.
46. Peanuts can be made into diamonds.
55. Books used to be bound in human skin.
71. An ai is a three-toed sloth from South America (and the word that clinched Paul Allan the title of national Scrabble champion).
99. Each slug eats twice its body weight a day.