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
Gold Is Where You Find It Gold Is Where You Find It Gold is Where You Find It is a 1938 American romantic drama film directed by Michael Curtiz and starring George Brent, Olivia de Havilland, and Claude Rains. Based on a story by Clements Ripley, with a screenplay by Warren Duff and Robert Buckner, the film is about the rivalry between farmers and miners in the Sacramento valley 30 years after the California Gold Rush. The feud between the two factions is complicated when a man from one side and a woman from the other fall in love. This Technicolor feature film was released on