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.
History [edit]. The foundations for the Corps of Discovery were laid when Thomas Jefferson met John Ledyard to discuss a proposed expedition to the Pacific Northwest in the 1780s.hen the party left St Louis in 1805, he was not part of the Corps of Discovery. Frazer only became part of the Corps on October 8, 1804, after Moses Reed was expulsed. He kept a journal and received special permission from the captains to publish.