Grid cells are neurons with periodic spatial receptive fields (grids) that tile two-dimensional space in a hexagonal pattern. To provide useful information about location, grids must be stably ...

Numerical puzzles that challenge participants to find the missing number are a fascinating blend of mathematics, logic, and critical thinking. These puzzles range from simple operations involving ...

A mysterious grid of dots spanning several miles of Western China's sand dunes like a giant chessboard may be the result of geological surveys for nickel mines, according to new analysis of satellite ...