皇家华人

A rock formation spanning Ireland and Scotland may be the world鈥檚 most complete record of 鈥渟nowball Earth鈥�, a crucial moment in planetary history when the globe was covered in ice, finds a new study led by UCL researchers including Professor Graham Shields (UCL Earth Sciences).

, , ,听, , , , , , ,,听, ,听, , , ,,, , ,听, , , ,听, , , , , 皇家华人ews