Live Science (April 18) -- Your smartphone could one day be replaced by an electronic display laminated to the back of your hand, if the inventors of a new ultrathin “e-skin” have their way. “The potential uses range from information display to optical characterization of the skin,” says John Rogers, a professor of materials science and engineering at Illinois, who also works on developing e-skin but was not involved with the new study. Also: Yahoo News (April 19).