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.

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

Investing.com — 据日本汽车制造商日产汽车周四宣布，雷诺(Renault )董事长让-多米尼克·塞纳尔(Jean-Dominique Senard)将离开其在日产(Nissan)董事会的职位。 AI: I’ve translated the headline and article about Renault’s chairman stepping down from Nissan’ ...