Test your observation skills with this inverted 36 number brain teaser. Among the repeated numbers, there is odd number hidden. Can you find them within 17 seconds? This puzzle helps improve focus, ...

Optical illusions are visual puzzles that are designed in such a way that they can cause the brain to interpret what it sees differently from physical reality. These illusions don't mean that there is ...

Gerd Faltings, a number theorist at the Max Planck Institute for Mathematics in Bonn, Germany, has won the 2026 Abel Prize, ...