[Ruy Dias de Bivar]

Nature has always been doing this.

You ever look at the stalks and leaves of a squash plant? A large leaf held up by a U shaped stalk. Dew collects on the leaf, then runs down the U channel of the stalk to the area where the roots are.

Some other plants do the same.

[Red Badger]

The root zone of a tree usually does not extend beyond the drip zone of the branches...................