Figs seem simple, but they're much more complicated than they appear.
For years, scientists have been trying to figure out the nature of the relationship between cleaner fish and their clients.
Rose bushes and other plants have a time honored method of communicating with yellow jackets and other wasps.
On the American plains, squirrels are the food of choice for both the coyote and the badger.
Did you know that lichens are super sensitive to air pollution, and so they help indicate pollution problems to scientists?