14-03-19 New global imaging and topographic(地形测量的) data from MESSENGER show that the innermost planet has contracted far more than previous estimates. The results are based on a global study of more than 5,900 geological landforms, such as curving cli...
13-07-09 An unlikely material, cubic boron(硼) arsenide(砷化物) , could deliver an extraordinarily high thermal conductivity -- on par with(与同等水平) the industry standard set by costly diamond -- researchers report in the current issue of the journa...