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.
Demotic Egyptian first appears about 650 BC and survived as a spoken language until fifth century AD. Coptic Egyptian appeared in the fourth century AD and survived as a living language until the sixteenth century AD, when European scholars traveled to Egypt to learn it from native speakers during the Renaissance.ritten records of the Egyptian language have been dated from about 3400 BC, making it one of the oldest recorded languages known, outside of Sumerian. Egyptian was spoken until the late 17th century AD in the form of Coptic.