This holiday-themed brainteaser looks simple, but it's quietly tripping up adults everywhere. A math teacher walks us through ...

To do the method, begin by writing the two numbers you want to multiply at the top of two columns. In the left column, you ...

Indian mathematician Srinivasa Ramanujan’s formula for Pi can help with calculating black holes, studying percolation, or ...

Uncover the surprising connection between Ramanujan's pi formulas and the universe. Learn how his century-old math helps ...