Natural materials, such as wool and wood, come from living things or the ground. Synthetic materials, like plastic, are made from chemicals. Materials have different properties that make them ...

But other factors are at work, such as the process involved in refining that material to make it useful and the demand for the products that can be made from it. Learn: 3 Types of Investments ...

Based on the interlocking structure of chainmail, this material has all the best parts of both solids and liquids.

In the Southwest, clay roofs have been popular because they perform best in the region’s hot, dry climate and have a long ...