Original sentence: In 2001, archaeologists studying the remains of two men from Mehrgarh, Pakistan, made the discovery that the people of Indus Valley Civilization, even from the early Harappan periods (circa 3300 BC), had knowledge of medicine and dentistry.See Indus Valley Civilization#Science
Edited sentence: In 2001, archaeologists studying the remains of two men from Mehrgarh, Pakistan, made the startling discovery that the people of Indus Valley Civilization, even from the early Harappan periods (circa 3300 BC), had knowledge of medicine and dentistry.See Indus Valley Civilization: Science