This week, scientists discovered the interstellar origins of a meteor that crashed into Earth in 2014, and DNA was extracted from the bones of 13th-century soldiers who fought in the Crusades.
원문출처 : https://www.cnn.com/2019/04/20/world/meteor-crusaders-week-space-science-scn/index.html
원문출처 : https://www.cnn.com/2019/04/20/world/meteor-crusaders-week-space-science-scn/index.html