Video · Rock Paper LIZARDS – Numberphile TwitterShare on Facebook334 293 350 views Numberphile - January 26, 2015 Science Numberphile More Videos Polyominoes on Chessboards – Numberphile Science · 2 days ago The Graph Reconstruction Conjecture – Numberphile Science · 6 days ago Return of the Calculator Unboxing – Numberphile Science · 2 weeks ago The Forgotten Story of Indian Calculus – Numberphile Science · 3 weeks ago Schur Numbers – Numberphile Science · November 3, 2025 Schur Numbers – Numberphile Science · November 3, 2025 Ordinal Numbers – Numberphile Science · October 22, 2025 The Anti-Knight Killer Sudoku – Numberphile Science · October 15, 2025