Vessels in a tree’s xylem transport water from the roots to the rest of the plant. Hardwood tree species tend to have large ...

In both Big Basin and Butano state parks, the fire burned down bridges and stairs, and the two subsequent wet winters damaged retaining walls and downed trees. And trees continue to fall.

By Anne Sherwood Pundyk Natural boundaries, such as the edge of a forest or the bank of a stream, can be at cross-purposes ...