* Printing: Marco Polo also described the process of printing in China. He noted that the Chinese used woodblock printing, and that they could produce books with thousands of pages.
* Gunpowder: Marco Polo was one of the first Europeans to describe the use of gunpowder in China. He noted that the Chinese used gunpowder in fireworks, and that they also used it in weapons such as guns and cannons.
* The compass: Marco Polo was one of the first Europeans to describe the use of the compass in China. He noted that the Chinese used the compass to navigate their ships, and that they also used it in divination and fortune-telling.
* Astronomy: Marco Polo was also interested in astronomy, and he learned about the Chinese calendar and the Chinese system of astrology.
* Medicine: Marco Polo learned about Chinese medicine, including the use of acupuncture and herbal remedies.
* Religion: Marco Polo learned about Buddhism and Confucianism, two of the major religions in China.