Did you know that trees have their own networks and mechanisms to protect themselves? Only when they moved quite some distance away did they begin to eat from an acacia tree. Scientists have discovered that Acacia trees emit a gas called ethylene when browsed upon. However the trees wouldn’t grow. When the alien saplings were planted, the original trees sent chemicals that suppressed their growth through this network.

Source: The Hindu July 14, 2021 07:41 UTC