NOVA

NOVA

The Green Machine (5x2)

Season finale

Air date: Jan 11, 1978

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.

  • Premiered: Mar 1974
  • Episodes: 1025
  • Followers: 302
  • Running
  • PBS
  • Wednesday at 21