Unit 4 Scientists who changed the world Welcome to the unit worked day and night a broad knowledge of traditional Chinese medicine and Western medicine volunteered to test on themselves Write a news report about another scientist.P u The headline The headline u The lead The leadgeneral introduction u More detailed information about the event More detailed information about the eventearly education, process of discovery u Background or supporting information Background or supporting informationsignificance of discovery Practice _ _ _ uPolish the news report and share it in groups.