*The Old Stone Age*, also known as the Paleolithic Age, is the longest period in human history. It began with the first use of stone tools by early humans around 2.6 million years ago and lasted until about 10,000 BCE. During the Paleolithic Age, humans were nomadic hunter-gatherers who relied on hunting wild animals and gathering plants for food. They lived in caves, rock shelters, and other natural shelters.
*The Mesolithic Age* began around 10,000 BCE and lasted until about 8,000 BCE. During this period, humans began to adapt to the changing climate and environment following the last glacial retreat. They developed new tools and technologies, such as microliths (small stone tools) and bows and arrows, which allowed them to hunt more efficiently. Humans also began to domesticate plants and animals, which led to the development of agriculture.
*The New Stone Age*, or Neolithic Age, began around 8,000 BCE and lasted until about 3,000 BCE. This period is marked by the development of settled farming communities and the use of polished stone tools. Humans began to live in permanent settlements, and they developed pottery, weaving, and other crafts.
Therefore, the Mesolithic Age is not a border or divider between the Old Stone Age and the New Stone Age, but rather a transitional period characterized by significant technological and cultural changes that led to the development of agriculture and settled farming communities.