In the early years of the 20th century an introduced fungal blight killed an estimated 4 billion American chestnut trees, effectively eliminating what had been a foundational species of eastern North American woodlands. Scientist Andrew Newhouse of the State University of New York explains how his university is preparing to release a race of American chestnuts genetically engineered to withstand the blight, so that this essential tree may flourish in the forest once again.
En liten tjänst av I'm With Friends. Finns även på engelska.