NOVA - The Underground Movement

Seizoen: 3 - Aflevering: 13 / 48 - Eerst uitgezonden: 18 april 1976 - Episode ID: 384600

NOVA explores life underground, from foxes and badgers through moles and worms down to the myriad of micro-organisms that make soil the most complex substrate for life on earth. Included in the film is extraordinary footage of a mole burrowing and of roots growing.