Da Vinci was self-educated and broadly did a large portion of his artistic creation and drawing with his left hand. The researchers said both inscriptions were done by the artist who “used his left hand to write the inscription in ‘mirror writing’ on the front, while he used his right hand to pen the inscription on the back in ordinary writing.“ ¹⁾

As an engineer, Leonardo created many projects ahead of his time, developing concepts for the helicopter tank, the use of plate tectonics, the double sidewall, and many other innovations. A relatively small number of his ideas were put into practice during his time. ²⁾

He was born out of wedlock. He was the son of a lawyer Ser Piero and a peasant named Caterina. ³⁾

Leonardo da Vinci used a mirror to assess the effects of his painting work from a reversed perspective. ⁴⁾

Even before the birth of Nicolaus Copernicus and the creation of the heliocentric theory, he stated that the Sun does not move. ⁵⁾

Leonardo da Vinci was a vegetarian. ⁶⁾

Leonardo da Vinci was a prankster, dressing fake wings and horns on lizards to scare people in the Vatican. ⁷⁾

Leonardo da Vinci is considered the father of contact lenses. ⁸⁾

At the age of 24, da Vinci was arrested with several colleagues on charges of sodomy. These were dropped because no witnesses appeared to corroborate them. ⁹⁾

The Italian wrote down all his ideas, designs, and drawings, as well as his thoughts for more than 30 years. His notes were said to number more than 13,000 pages, but only 6,000 of them have survived to the present. ¹⁰⁾

Leonardo da Vinci knew Michaelangelo. ¹¹⁾

In 2004, the book “Da Vinci Code” was banned in Lebanon when Catholic leaders deemed it offensive to their religion. ¹²⁾

In 1911, his painting “Mona Lisa” was stolen from the Louvre. The event made the work the most famous painting in the world. ¹³⁾

The artist placed his initials on the right pupil of the Mona Lisa. ¹⁴⁾

Da Vinci could play the lyre. ¹⁵⁾

Leonardo da Vinci was the first to observe the curvature of the human spine. Until then, everyone assumed it was straight. ¹⁶⁾

Leonardo da Vinci learned to juggle to exercise his brain. ¹⁷⁾