for the development of science and culture, tremendous achievements were made in the Song Dynasty. Two of China's four great inventions - typography and compass were both invented and the application of gunpowder also developed rapidly. With regard to literature, a large number of outstanding scholars and poets, such as Zhuxi, Ouyang Xiu, Su Shi, Sima Guang and Shen Kuo, emerged and built up the splendid cultural atmosphere of the Song Dynasty. The above passage tells you more.