Does the human body contain gold? Can eating spinach really make you stronger? Quench your curiosity with the fascinating facts behind every-day mysteries. Why do dogs do strange things? Believe it or not: Incredible facts about hippos Why do they name Hurricanes? Why do Dalmations have Spots? Why Can't Chickens Fly? Why do you laugh when tickled? Why do cactuses have spines? How do peanuts grow? How do Chameleons change colour? Porcupines shoot their quills when they're afraid? Not True! Are Humans really descended from Apes? Why are pink flamingos pink?