Your task is to find the hidden number sequence within 39 seconds. No you need to know that this is not about guessing but training your visual focus. Optical illusion puzzles are often used as ...

One of the curious properties of mathematics is its beauty. But exactly what mathematicians mean by beauty is hard to capture. Perhaps the most famous example is Euler’s relation, e iπ + 1 = 0, which ...

For more than 50 years, the mathematician Neil Sloane has curated the authoritative collection of interesting and important integer sequences. Neil Sloane is considered by some to be one of the most ...