Evolution of the cochlea of the ear, consisting of the scala media, the scala tympani, and the scala vestibuli. Regarding mammals, placental and marsupial cochleae have similar cochlear responses to auditory stimulation as well as DC resting potentials. This leads to the investigation of the relationship between these therian mammals and researching their ancestral species to trace the origin of the cochlea. This spiral-shaped cochlea that is in both marsupial and placental mammals is traced back to approximately 120 million years ago. The development of the most basic basilar papilla (the auditory organ that later evolved into the Organ of Corti in mammals) happened
The Body in the Library (film) the case, "you'll have to admit it has all the bizarre elements of a cheap thriller." Once hooked, you won't be able to turn it off. "The Body in the Library" was repeated on BBC Four in September and October 2013. Miss Marple helps her neighbours the Bantrys when a lovely young girl is found dead in their library. The girl is traced to a seaside resort and the desperate family of a wealthy old man. The Body in the Library (film) The Body in the Library is a 1984 television film adaptation of Agatha Christie's 1942 detective novel "The