Barrett's esophagus refers to an abnormal change in the cells of the lower portion of the esophagus. It is characterized by the replacement of the normal stratified squamous epithelium lining of the esophagus by simple columnar epithelium with goblet cells (which are usually found lower in the gastrointestinal tract).
U.S. Space Camp is a camp and related programs owned and operated by the Alabama Space Science Exhibit Commission's U.S. Space & Rocket Center in Huntsville, Alabama.
Florida's Space Coast surrounding Merritt Island, seen from the International Space Station. The Space Coast is a region in the U.S. state of Florida around Kennedy Space Center (KSC) and Cape Canaveral Air Force Station. All of NASA-launched manned spaceflights (running from Project Mercury in 1961 to the end of the Space Shuttle program in 2011) have departed from either KSC or Cape Canaveral.