YINCHUAN: Under the scorching sun, Xu Xiaolong and his colleagues trudged through wild grass in the Gobi Desert, scanning the rocky foothills of Helan Mountain in Yinchuan, Northwest China’s Ningxia ...

The excavation of Ban Rai rock shelter (Pang Mapha district, Mae Hong Son Province, northwestern Thailand) has uncovered evidence relating to changing patterns of prehistoric human activity. Analyses ...