Trash to TreasureBy ELIZABETH CRAWFORDEvery Thursday morning, when Joseph F. Hennager unlocks the University of Iowa's Campus Surplus store for its weekly public sale, he says it is like "opening the gates at a horse race." The same group of high-tech junk collectors makes a mad dash for used scientific and medical equipment. "There are many hungry researchers who can't afford the newest science and technology... Copyright © 2009 by The Chronicle of Higher Education Subscribe | About The Chronicle | Contact us | Terms of use | Privacy policy | Help |