Antarctica
Each year, scientists from 28 different nations conduct experiments not reproducible in any other place in the world. In the summer more than 4,000 scientists operate research stations; this number decreases to just over 1,000 in the winter. McMurdo Station, which is the largest research station in Antarctica, is capable of housing more than 1,000 scientists, visitors, and tourists.
British Antarctic Territory
The British Antarctic Survey has two permanently staffed research stations in the Territory:Signy was operated from 1947 until 1996 and now is only staffed in the summer. There are also two summer-only forward operating stations at Fossil Bluff and Sky Blu.