Why Is the Dead Sea Called the Dead Sea?

The Dead Sea, a unique and globally recognized body of water nestled in the Middle East, straddles the borders of Jordan to the east and Israel to the west and…
An illustration depicting a keystone in an arch, highlighting its central and weight-bearing role.

Why is Pennsylvania Called the Keystone State?

Pennsylvania is widely known as the Keystone State, a nickname deeply embedded in its identity and visible across state symbols and signage. But what exactly is the origin of this…