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.
| Title | The Green Machine |
|---|---|
| Genres | Documentary |
| Release Date | 1978-01-11 |
| Episode Runtime | 00 Hours 55 Minutes |
| Season Number | 5 |
| Episode Number | 2 |
| Production Companies | GBH |
No cast information available.
