Starved of a healthy diet of metals, abnormal molecules derived from families affected by Lou Gehrig's disease start behaving badly, becoming unstable and clinging to each other. Researchers from The University of Texas Health Science Center at San Antonio made those observations after examining new 3-dimensional images of the abnormal molecules. Their work, which was published online April 21 in the journal Biochemistry, may shed light on what causes the disease in one of its inherited forms. Full Story.