Maple syrup is a one-ingredient food. Only one thing goes into making it: the sap of maple trees collected in early spring.

The center of a tree or shrub stem (from roots to trunk, branches, and twigs) is woody, composed of xylem cells that conduct water from the roots to the upper parts of the tree. That woody section is ...

Just feet away from the rubble of her Altadena home, Andrea Davis noticed two 3-year-old coast live oak trees that appeared to have survived the Eaton fire’s wind-fueled fury. Surrounding the small ...