In the age of smartphone calculators and voice assistants, multiplying large numbers by hand may seem like a quaint and entirely unnecessary skill. However, you never know when you’ll need to do quick ...

Nathan Katcher memorized the design of the flags of 65 different countries. He taught himself how to play the piano using an app. He has five different versions of Monopoly and knows exactly how much ...

The internet is torn over an elementary-level math equation which left many scratching their heads. The viral math problem has X users stumped - but the answer comes from lessons learned in fifth or ...