Can you do 3D puzzles...without using your hands? Our visual-spatial intelligence test assesses your ability to mentally manipulate 3D objects, a skill that has practical significance in everyday life ...

Spatial reasoning measured in infancy predicts how children do at math at four years of age, finds a new study. It provides the earliest documented evidence for a relationship between spatial ...

Puzzles require remembering shapes, colours, and patterns, reinforcing connections between brain cells and improving short-term memory. Puzzles present challenges ...