Tác giả: Ze Wang

Polyhedra have attracted scientists’ attentions due to their high-symmetric architectures since ancient times, and even served as common modes in natural world. Chemists in the past few centuries hav …

The Nordic Social Welfare State Model has its intellectual roots in the depression of the 1930s, but was formed in the 1950s and got its name in the 1970s. Following the traditional model, it has rec …