I consider the general term "natural" to apply to normal things in the universe, while "artificial" describes things make to "fight against" those normal things. Humans are natural, but many of our social norms and behaviors artificially go against our own interests and needs.
-
-
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
-
-
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
-
-
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.

