8th Pigeons can tell the difference between Picasso and Monet. 9th You can hear a blue whale's heartbeat from over 2 miles away. 10th Ketchup was once sold as medicine. 11th The last letter added to the English alphabet was 'J'. 12th The Easter Island heads have bodies. 13th There's a fruit that tastes like chocolate pudding. 14th Big Ben's clock stopped at 10:07 p.m. on 27 May 2005 15th Lantern Festival, also called Yuan Xiao Festival, holiday celebrated in China and other Asian countries that honors deceased ancestors on the 15th day of the first month (Yuan) of the lunar calendar.