Test your observation skills with this optical illusion challenge! Spot the hidden owl in a pattern of birch trees.

Spot the difference puzzles challenge your ability to identify the differences between two identical images. In this puzzle ...

This is at once apparent when you focus on the fact that a cube has six sides. The saw cuts straight—one side at a time. To ...

A challenging brainteaser tests critical thinking with a math problem of finding the missing value: 3 - 3 x 6 + 2 = ?.

Optical illusions have intrigued humankind for centuries, providing an excellent means to push the boundaries of visual ...

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Ellen Rydell Altermatt and Andrea K. Rorrer discuss how community partnerships can enhance early math learning ...

Math enthusiasts around the world ... NASA holds its annual Pi Day Challenge online, offering plenty of games and puzzles, some directly from the space agency’s own playbook, such as calculating ...