Countries often share similar goals, such as peace and prosperity for their citizens, so it might seem strange that they find it hard to get along. Cultural differences may sometimes cause countries ...

More than one‐third of the world's population uses a writing system that includes both uppercase and lowercase letter forms.

“Finding the solution requires that we use trigonometric rations or natural proportion as our number values rather than decimal digital notation alone,” Manimas said, “The construction of pi ...