Leonardo da Vinci’s mastery of his art was unparalleled, as the secrets it held continued to stun people for years. One such marvel was his geometric system that managed to precisely place the circle ...

A longstanding mystery surrounding the Vitruvian man – yes, that Vitruvian man – has a new solution. The weird part? It comes from inside your mouth. You know the Vitruvian Man. He’s perhaps second ...