5/6. Paul Merrett discovers the many uses of milk, including its role in fuelling Genghis Khan 's armies and how it keeps astronauts healthy in space.
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5/6. Paul Merrett discovers the many uses of milk, including its role in fuelling Genghis Khan 's armies and how it keeps astronauts healthy in space.
BBC One is a TV channel that started broadcasting on the 20th April 1964. It replaced BBC Television.
