Martin Kimani, a former Kenyan diplomat, said his past work positions him to build on the Africa Center’s diverse programming that goes beyond art. With major gifts to leading arts institutions ...

Papers and boards should be selected based upon the purpose for which they will be used. It is important to know and understand which materials can be used for a specific purpose: Several costs ...

Density is the measure of how tightly a material is pressed together, or the compactness of a material, and can expressed as an equation: ...