Editing Bamboo (section)

==== Indicator of climate change ====
The [[Song dynasty]] (960–1279 AD) Chinese scientist and [[polymath]] [[Shen Kuo]] (1031–1095) used the evidence of underground [[petrified]] bamboo found in the dry northern climate of [[Yan'an]], [[Shanbei]] region, [[Shaanxi]] province to support his geological theory of gradual [[Climate variability and change|climate change]].<ref name="chan 15">Chan, Alan Kam-leung and Gregory K. Clancey, Hui-Chieh Loy (2002). Historical Perspectives on East Asian Science, Technology and Medicine. Singapore: Singapore University Press. {{ISBN|9971-69-259-7}}. p. 15.</ref><ref name="needham volume 3 614">Needham, Joseph (1986). ''Science and Civilization in China'': Volume 3, ''Mathematics and the Sciences of the Heavens and the Earth''. Taipei: Caves Books, Ltd. p. 614.</ref>