Through a combination of high-pressure experiments and optical spectroscopy, physicists have revealed new insights into the structural forms of solid methane. Led by Mengnan Wang at the University of ...

Capturing reversible changes in the structure of supercooled water. Credit: Timothy Holland, PNNL Supercooled water – that is, water that remains liquid far below its normal freezing point – does not ...

Chances are that all your encounters with frozen water—while trudging through slushy winter streets, perhaps, or treating yourself to cool summer lemonades—have been confined to one structural form of ...