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.
Weinreich deduced from traces left in early Yiddish that these first Jewish immigrants to the heart of Europe spoke a Romance language, having left Hebrew, Aramaic, and Greek behind when they left the eastern Mediterranean, although Hebrew and Aramaic were still languages of study.