1.   He covers sub-Antarctic islands such as the Falklands and devotes a great deal of coverage to the history of Antarctic exploration.

2.   But winter-over stress has been a factor in Antarctic exploration since the first expeditions.

3.   Delegates plan to visit historic huts built by expeditions under Robert F. Scott and Ernest Shackleton in the heroic era of Antarctic exploration.

4.   Mrs. Larson did not know what to do with the items until she met Robert Stephenson, a historic preservationist interested in Antarctic exploration.