Admire the stamina of pine cones

Colors appear in an otherwise ordinary sky. Why do we see the exact colors we see?

The earliest hummingbirds are here.

Careful analysis of different lines of evidence indicate a surviving population of Ivory-billed woodpeckers.

They are far more common than you think.

Do medicinal plants cure ills?

More than a delicacy, olives have a close relationship with the spread of Western civilization.

People envision healthy, natural forests as places full of green trees.  This is not accurate. In natural forests, the dead trees are not harvested for ...

Phenology is the study of when things happen, such as when trees leaf out after winter, or flowers bloom, or migratory birds arrive. March and ...