Eucalyptus trees -- or gum trees as they are known -- are drawing up gold particles from the earth via their root system and depositing it their leaves and branches. Eucalyptus trees in the ...

Gold. Giving gold leaf a more literal meaning, CSIRO scientists have established that eucalyptus trees draw up gold particles from deep in the soil via water absorbed by their root system.

Eucalyptus trees, that is. Australian researchers have found that microscopic gold particles from underground ore deposits are present in tree leaves. Eucalyptus tree roots can delve more than 130 ...