In our mind’s eye, the universe seems to go on forever. But using geometry we can explore a variety of three-dimensional shapes that offer alternatives to “ordinary” infinite space. When you gaze out ...

When animals move through 3D spaces, the neat system of grid cell activity they use for navigating on flat surfaces gets more disorderly. That has implications for some ideas about memory and other ...

Activities focused on spatial reasoning skills like mental rotation and visualization help create a foundation for future math and science learning, but are often neglected in classrooms. When Nicole ...