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.
Broca's Area. The first language area within the left hemisphere to be discovered is called Broca's Area, after Paul Broca. Broca was a French neurologist who had a patient with severe language problems: Although he could understand the speech of others with little difficulty, the only word he could produce was tan..