<http://schema.org/description>
"Let&amp;#039;s assume that long ago Homo sapiens communicated by grunting at one another. How and when did all those grunting sounds evolve into a verb tenses, clauses and proper nouns?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://science.howstuffworks.com/life/evolution/language-evolve.htm/printable>