Not to be confused with sap, coniferous trees secrete resin (aka pitch) on their bark, both as a natural byproduct and as a ...
Her world—100 million years ago in Myanmar—is not one of vast seas, towering mountains or broad deserts, but a damp and ...
Muez Hailu, Director of Forest Development: "In Ethiopia, there are six species of gum and resin trees. One of those species is called Boswellia papyrifera. That's its scientific name. It is ...