A London-based dentist has uncovered a hidden detail in Leonardo da Vinci ’s famous Vitruvian Man drawing, revealing a special number connecting the iconic artwork to the human body and nature.

A London-based dentist, Rory Mac Sweeney, discovered a hidden equilateral triangle within Leonardo da Vinci's ‘Vitruvian Man’ drawing. This triangle, found between the man's legs, matches Bonwill's ...