1001 Space Earth Nature History First Civilisations Ancient Egypt Biblical Times Ancient Greece Ancient Rome Chinese, Japanese Civilisations Indian Civilisation African Civilisation The Early Americas The Rise of Islam The Middle Ages The Renaissance Civil War and Revolution The Industrial Revolution Two World Wars 20th-century Achievements Human World Science and Technology	What advances have there been in medicine? Hearts have been successfully transplanted In the 20th century, organ transplants have been made possible; microsurgery can repair delicate nerves and tissues; and a revolution has begun in genetic engineering.   Previous: Back Book: 1001 Section: History Chapter: 20th-century Achievements