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 world slept only 6.5 hours a night.

Another exhibition hall Age of Dinosaurs underscored the importance of the ocean to the birth and development of living species on the earth through the demonstration of ichthyosaur, pterosaur and ...