Archaeologists working in China found something they weren’t supposed to: stone tools that look exactly like those made by ...

And 100 steps back in time is 10,000 years ago. This is the Stone Age ... at that time, no knowledge of metal or metal-working so survival depended on making these tools and weapons.

For European and American Stone Age peoples, end scrapers served as heavy- duty scraping tools that could have been used on animal hides, wood, or bones. Once the hide was removed from an animal ...

During the Middle Paleolithic—a period spanning about 40,000 to 300,000 years ago, also called the Middle Stone Age—groups ...

For European and American Stone Age peoples, end scrapers served as heavy- duty scraping tools that could have been used on animal hides, wood, or bones. Once the hide was removed from an animal ...