A strong mind was key to surviving the monotony faced by Antarctic explorers enduring the isolation of long, remote winters.
Travel and philosophy have enjoyed a quiet love affair for centuries.
Christopher Columbus' 1492 voyage was really a journey into the unknown. Centuries of conventional wisdom had conditioned him to believe that bizarre beasts and 'monstrous men' would be awaiting him.
The French La Pérouse expedition left Botany Bay in 1788, and then vanished, rumoured to be wrecked in the Solomon Islands. But an Indian newspaper article might reveal the fate of its survivors.