Over the course of human history, thousands of languages have developed from what was once a much smaller number. How did we end up with so many? And how do we keep track of them all? Alex Gendler explains how linguists group languages into language families, demonstrating how these linguistic trees give us crucial insights into the past.

How Languages Evolve & Change

how-languages-evolve-change

Let's do English ESL general vocabulary practice. Over the course of human history, thousands of languages have developed from what was once a much smaller numb…