1 JULY 1966

The Coldest Swim in the World

The cover story from this issue was toldby an expedition diver who was part of a research team that ventured to Antarctica on -two occasions to capture audio recordirigs of the Weddell seal. In addition to divers deployed below the ice in sub-freezing waters, , a subice observation chamber (SOO was positioned below the surface, allowing scientists to study their subjects from the relative safety of the reinforced cylindrical cabin.