Physicists have found a new “island of inversion” in the nucleus of molybdenum-84, a perfectly balanced atom with equal numbers of protons and neutrons. The discovery upends a decades-old assumption ...

The great application potential for two-dimensional (2D) membranes (MoS 2, WSe 2, graphene and so on) aroused much effort to understand their fundamental mechanical properties. The out-of-plane ...