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.
Discovery Green Conservancy | 1500 McKinney Houston, Texas 77010 | Find Us. Discovery Green Conservancy is a 501(c)(3) non-profit organization that depends on the generosity of park visitors and other friends to maintain the park and to fund the more than 600+ free events held here every year. We welcome gifts of all sizes.