Herein, by using the first principles calculations, we discover a new metastable allotrope of Ge and Sn in the staggered layered dumbbell structure, named as germancite and stancite, to be Dirac semi-metals with a pair of Dirac points on its rotation axis.

Send him a belfie with the words 'kiss' and 'my' on each cheek, and good riddance to him.

As a mainland China national, the counter for our trial was fluent in English, Putonghua, and the Sichuan dialect, and was familiar with a number of other major Chinese languages such as Cantonese and Hakka.

Details are tremendously important in composing an outstanding high-key photograph.