A modern expedition follows the path of Hubert Wilkins, who set out for the North Pole in 1931 in a decrepit WW1 submarine.

It had lain underwater after accidental magazine explosions sank the battleship HMS Vanguard at Scapa Flow in 1917.

Many years ago I wrote a Nostalgia article about a ketch (sailing boat) called the White Moth which had been constructed in the garden of a house ...