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. 27 (Xinhua) -- Chinese President Xi Jinping on Monday noted solid progress the country has made in advancing Chinese modernization amid "complex and challenging" situations over the past ...
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 ...