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one of the oldest methods of making tools. Knapping is the process of shaping stone such as flint, chert or obsidian through lithic reduction (a fancy way of saying breaking or chipping off bits of ...

They were learning and practicing the ancient art of knapping, one of the oldest methods of making tools.

To help you get started, CNBC Select reviewed and compared a variety of free budgeting tools and we narrowed down our best picks for just about anyone: beginners, investors and small business owners.

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We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› by Signe Brewster and James Austin After testing 14 soldering irons, we ...

However, more research is needed to fully support the benefits of homemade bug sprays. Not everyone is comfortable using synthetic chemicals and pesticides to ward off bugs. Many people are ...