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 ...

Optical illusions are not just kids' play. These illusions are a real-time observation test that can reveal your true visual ...

It’s pretty easy to link humans’ intelligence to our success as a species. Things like agriculture, building cities, and surviving in harsh environments require a large collection of mental skills, ...

Conventional testing can underestimate a student’s learning ability. Sociocultural barriers, test anxiety and differences in rates of brain development can skew results. In principle, neuroscience ...