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.
An Ancient Language. Khmer is possibly one of the oldest Southeast Asian languages-Khmer Mon, the oldest form of Khmer, could have been spoken as far back as 1000 BC and there are stone inscriptions in Khmer dating back to 600 AD. It has roots in Sanskrit and Pali, the language of Buddha.