Baleen is often called whalebone, but that name also can refer to the normal bones of whales, which have often been used as a material, especially as a cheaper substitute for ivory in carving.he whale then pushes the water out, and animals such as krill are filtered by the baleen and remain as food source for the whale. Baleen is similar to bristles and is made of keratin, the same substance found in human fingernails and hair.
Marco Polo (game) The game Marco Polo /ËmÉËrkoÊ ËpoÊloÊ/ is a form of tag played in a swimming pool. The origin of the game is unknown.
Traditional cycle polo is played in a rectangular grass field, 150 meters by 100 meters officially, unofficially whatever field is big enough. Moreover, official dimensions can vary between 120 and 150 meters in length on 80 to 100 meters in width.n October of that year the first cycle polo match was played at the Scalp (County Wicklow) between Rathclaren Rovers and the Ohne Hast Cycling Club. Towards the end of the 19th century the game reached Great Britain, France, and the United States where the American Star Bicycle was a popular mount.