There are four types of sounds that the cochlea produces: 1  Spontaneous acoustic emissions - the cochlea produces these sounds spontaneously (not in response to another sound). These only occur in approximately 40-50 percent of people with normal hearing.
Discovery Green. Discovery Green is a public urban park in Downtown Houston, Texas, United States. Opened in 2008, Discovery Green 11.78-acre (47,700 m2) is located on Avenida de las Americas across from the George R. Brown Convention Center and the Hilton Americas Hotel, adjacent to Toyota Center.
The Corps of Discovery was a specially-established unit of the United States Army which formed the nucleus of the Lewis and Clark expedition that took place between May 1804 and September 1806.ass (1771â1870) was born in Pennsylvania. He joined the U.S. Army in 1799 where he served in a volunteer Ranger unit. Gass was recruited at Fort Kaskaskia from a company of the 1st Infantry Regiment led by Captain Russell Bissell. His skill as a carpenter was of great value to the expedition.