Rumours abound that physicists have detected gravitational waves produced by the merger of two black holes.
Play a game to while away those last 24 hours before Christmas.
Fold and cut a fantastic fractal Christmas tree!
Think of a number, square it and subtract your starting number. Is there something special about the number you are left with?
What is game theory and why is it important?
Solve a very old problem using paper.
Read about the amazing mathematical journey that led to a strange object with a will of its own.
Complete the squares to win the game.