New Delhi: In a development that has stirred the mathematical world, two researchers have taken a route to unlock hidden patterns in prime numbers – one that blends old wisdom with unexpected tools.

Optical illusion puzzles have been there for centuries and these are fun challenges that are designed to play tricks on our eyes and brains. Optical illusions work on a simple principle where it ...

The New Optical illusion image has 14 columns and nine rows, and the challenge is to find out the lone number '7103.' New optical illusion challenge: Can you spot the hidden number 7103 in this tricky ...