Ever since the ancient days, autumn has been the time for lamentation of the loneliness and sadness. Nevertheless, I say that autumn is better than spring. In the clear sky,a crane soars up through ...

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 ...