Did you know puzzles have been around since at least 1700 BCE? Archaeologists have found puzzle jugs in Cyprus dating back to that long-ago era. Most of us have probably never played with a puzzle jug, but even the ubiquitous jigsaw puzzle has been here since 1767. Crossword puzzles got a later start in 1913, and the Rubik’s Cube debuted in 1974. Whether you solve puzzles with pen and paper, with friends, or with your keen mental strength, puzzles have a lot to offer our brain. Check out these 7 benefits including the growth of new brain connections, and the ability to better formulate and test theories.