The book “Grasses for Gardens and Landscapes” is a comprehensive guide filled with expert maintenance techniques and an encyclopedia of garden-worthy grasses.
Biologists have revealed genetics behind the alternating sexes of walnut trees. The research reveals a mechanism that has been stable in walnuts and their ancestors going back 40 million years -- and ...
As people dispose of their Christmas trees, farmers and scientists are working to secure the long-term future of these conifers in the face of climate change.