Why do leaves turn red in autumn?

  • 0 Replies
  • 1194 Views

0 Members and 1 Guest are viewing this topic.

*

Offline thedoc

  • Forum Admin
  • Administrator
  • Sr. Member
  • *****
  • 513
    • View Profile
Why do leaves turn red in autumn?
« on: 21/10/2014 17:13:00 »
Why do leaves turn red in autumn, and how do they know when it's time to drop?
Asked by Amelia

                                        Visit the webpage for the podcast in which this question is answered.
[chapter podcast=1000886 track=14.10.21/Naked_Scientists_Show_14.10.21_1002864.mp3]  ...or Listen to the Answer[/chapter] or [download as MP3]
« Last Edit: 21/10/2014 17:13:00 by _system »