Jake “The Tree Geek” McWhorter is back in the studio to give us another lesson on the trees we want to plan in our yards and ...

TUCSON, Ariz. — Cousins Tanisha Tucker Lohse and Maria Francisco set off from their desert camp around dawn on most early ...

All tree leaves have an outer layer called the epidermis, which can also be used in the identification process. This leaf "skin" always has a waxy cover called the cuticle and varies in thickness.