Leonardo da Vinci: a versatile genius

03/05/2015 - 20:48
Outstanding Italian inventor, scientist, artist, engineer, anatomist and researcher Leonardo da Vinci is known worldwide. His achievements have begun the revolution in many industries, including medicine and engineering.

Great statements of Omar Khayyam

03/05/2015 - 20:41
Biography of the great East thinker and poet Omar Khayyam is full of legends and mysteries. The modern world knows him as the famous poet and author of the incredible philosophical quatrains.