Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

在 石岛港 （Shidao Port）偶遇的韩国大叔李相和给我算了笔账："以前办签证要等两周，现在船票就是通行证。"他晃着刚买的威海锡镶茶具（tin-inlaid tea set），计划带家人每月来度周末。边检的"蓝色通道"（ blue channel）确实高效，亲眼见到200人旅行团半小时通关完毕，队伍里还有人举着刚在免税店买的 即食海参 （ready-to-eat sea cucumber）。

告别了充满希望与“前进”之意的三月 (March)，我们即将迎来生机勃勃的四月！ 四月，“April”，来自于拉丁文“aperire”，意为“打开”。想象一下 ...

with divers spending three to four days checking a 400-meter-diameter net cage for sea farming. In addition to being time-consuming, the process was also costly. To address these challenges, the team ...