Homo Aquaticus
The invasion of man under the sea is a recent one which has opened up important possibilities.
Sea ' farming,' mining, and underwater transport could have a beneficial effect on the economic welfare of mankind, plus the bonus of unexplored areas for archaeology and scientific research.
ANGELA CROOME examines the difficulties and possibilities of homo aquaticus with illustrations from the BBC Sound Archives
The programme also features the voices of GEORGE NAISH of the National Maritime Museum and members of the Royal Naval Diving teams.
Produced by Pat McLoughlin