Optical illusion puzzles are a timeless activity that has captivated audiences for generations. From the pages of children's books to digital apps, these puzzles offer a delightful blend of challenge ...

Visualization is the ability to picture a scene or object in your imagination. It includes the ability to picture changes in that scene or object. This type of test question asks, "Can you imagine...?

Data from NOAA's Geophysical Fluid Dynamics Laboratory reveals how ocean currents are powered by changing temperatures throughout the year. The model traces the interconnected streams around the world ...