It is unsupported to set values for the shadowOffset or shadowColor properties of a UILabel object if its attributedText property contains a valid attributed string.

ENGADGET: Apple seeds iOS 6 beta 4 to developers: here's the changelog

In recent years some of the brightest theorists have argued that the very presence of humans in the universe indicates which of the many string theories is valid namely, those that allow the universe to exist as observers see it.

ECONOMIST: Theoretical physics