3 Stage Bending (IMAGE) University of Sydney Caption The researchers' molecules change shape by the central oxygen atom (shown in red) bending like a hinge. The left and right images show what the shapes of these molecules are when stable. If heated up, they transform into each other via a shape shown in the centre image. Credit University of Sydney Usage Restrictions must credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.