Role and Importance of Data in Public Health. Address the basic concepts, methods, and tools of public health data collection, use, and analysis and why evidence-based approaches are an essential part of public health practice.
Every language in the world-from English to Mandarin-evolved from a prehistoric 'mother tongue' first spoken in Africa tens of thousands of years ago, a new study reveals.
Sumerian language. Sumerian (ð´ð  EME.GÌIR15 native tongue) is the language of ancient Sumer and a language isolate that was spoken in southern Mesopotamia (modern Iraq). During the 3rd millennium BC, a very intimate cultural symbiosis developed between the Sumerians and the Akkadians, which included widespread bilingualism.