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.
BEIJING, Jan. 16 (Xinhua) -- A half-marathon for humanoid robots is scheduled for April in Beijing, presenting an intriguing test of the swiftly advancing robotic technologies.
In addition, foreigners at the airports can purchase a Beijing Pass, which is a versatile, rechargeable transportation card issued by the Beijing municipal government. Cardholders can not only use ...