As spring approaches, there’s magic in the woods. Trees almost defy gravity when the sap stored in their roots begins flowing upward. And the Lake County Forest Preserves takes advantage of that ...

Record-breaking warm weather during the last few days has brought an early spring to West Michigan. David Kieft, executive director of the Howard Christensen Nature Center explains: "What you want is ...

The exact science of tree sap transport has puzzled plant physiologists for many years. Sap's migration throughout tree trunks and branches is linked heavily to transpiration, the movement and ...