Thème sombre:

Aux origines de l'humanité: The Green Machine

Nova (1978)

documentaire | Etats-Unis

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SAISON: 5

EPISODE: 2 - The Green Machine

SYNOPSIS

Botany is a neglected science and plants are all around us, but unfamiliar. NOVA examines our state of knowledge of how plants work: growth hormones, responses to light and shade, photosynthesis, root mechanisms and twining responses.

DURéE: 55 min

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