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.
The existence of the Hsia, traditionally regarded as the first of China’s three great founding dynasties and one of the chief progenitors of Chinese civilization, has not only long been questioned but ...
In the past week, the U.S. President Donald Trump topped the headlines. On the first day of his second term, he signed plenty of executive orders. Investors are worrying about his economic policy most ...