Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient world slept only 6.5 hours a night.

Ahmed mohamed Saleh eats dumplings to celebrate the Chinese Lunar New Year at Tianjin Foreign Studies University in north ...

Scientists researching Alpine glaciers store ice in Antarctica. By analysing air bubbles in the ice they may be able to predict the future ...

■1月15日，北大光华管理学院“Future leader”项目的5位学生拜访了芒格书院，与书院创始人施宏俊、主笔杨紫琳等人进行了有关阅读学习、人生规划和商业投资等话题的深入交流。