Aired
January 11, 1978
NOVA
NOVA
The Green Machine #S05E02
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.
Episode 2 of Season 5 from NOVA — available to stream in HD on any device.
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