I gave the difference between a courtesan and prostitute in business terms: A courtesan is engaged in a high-margin, low volume business, while a prostitute's work is high-volume, low-margin. It's all a matter of inventory turns. Among the composer's lesser-known works is fictionalized account of the life of the inventor of double-entry accounting. The opera "I Pacioli" ends with the heroine, Audita, singing the touching aria "O Debito, O Credito, O Amore." She then dies of fatigue, having completed the world's first trial balance. .... Just in time for Christmas, scientists have announced that through cross breeding they have successful produced a Turducken, a creature that is a combination of turkey, chicken and duck. The problem is the duck part wants to swim but the chicken part is afraid so it runs around in circles, like well, you know. Meanwhile, scientists say they are close to producing a turkey that carries its own stuffing inside its body, promising to free millions of American households for time to perform other food tasks on Thanksgiving. ... Police in Norman, Okla., put a miniature donkey in a patrol car to return it to the owner. Asked how the donkey reacted to the ride, one officer said, "He acted like a complete ass." ... Coming up this year, "A Miley Cyrus Christmas" in which the singer twerks with Santa Claus.