Even painting your metal furniture a new color can cool things down. Whether your metal patio furniture is stainless steel, ...

Even the color of blood comes from the protein hemoglobin, which contains iron. Investigating the colors ... of how a small amount of a transition metal—in this case, chromium—can create ...

Metals are the only substances that are magnetic. But some metals are magnetic and some are not. The most common magnetic metal is iron. You don't see too many objects made of pure iron but you do see ...