https://phys.org/ en-us Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Endemic to China's Yangtze River, the Yangtze finless porpoise is known for its intelligence and charismatic appearance; it looks like it has a perpetual smile on its face. To track how this critically endangered porpoise's habitat range has changed over time, a team of biodiversity and conservation experts compiled 724 ancient Chinese poems referencing the porpoise from historic collections across China. https://phys.org/news/2025-05-ancient-poems-story-charismatic-river.html Plants & Animals Mon, 05 May 2025 11:00:04 EDT news665652901 A joint expedition of scientists led by Chapurukha M. Kusimba of The Field Museum and Sloan R. Williams of the University of Illinois at Chicago has unearthed a 600-year-old Chinese coin on the Kenyan island of Manda that shows trade existed between China and east Africa decades before European explorers set sail and changed the map of the world. https://phys.org/news/2013-03-ancient-chinese-coin-kenyan-island.html Archaeology Wed, 13 Mar 2013 12:52:13 EDT news282397926 The most comprehensive and technologically advanced survey of China's Great Wall has discovered the ancient monument is much longer than previously estimated, state media reported Monday. https://phys.org/news/2009-04-china-great-wall-longer-thought.html Archaeology Mon, 20 Apr 2009 05:57:26 EDT news159425818