1. Did you know? Leonardo da Vinci was the first person to explain why the sky is blue.
2. He was such a genius that he could draw with one hand and write with the other!
3. In 1508, he was the first person to conceive of the idea for modern contact lenses.
4. In 1994, Bill Gates acquired the "Leicester Codex," a collection of texts and drawings created by Leonardo da Vinci.
They purchased it for $30 million. Part of the page was used as a screen saver for Windows 95.
5. Research on river erosion has convinced me that the Earth is older than the Bible claims.
6. Facial recognition software revealed that the Mona Lisa is 83% happy, 9% irritated, 6% frightened, and 2% angry.
7. Leonardo da Vinci was famously left-handed. Other famous left-handed people include Napoleon, Michelangelo, Einstein, Newton, Bill Gates, Oprah, and Jimi Hendrix.