Most people know about the vitamins and minerals we need in our bodies, but fewer understand the different types, especially when it comes to buzzy terms like "trace minerals." The minerals you need ...

Typically, trace evidence samples include human and animal hair, natural and manmade fibers, fabrics, rope, soil, glass, and building materials. In addition to these common types of samples, trace ...

One area where these types of trace evidence can be found is when a tool or an object is used to commit the crime. This might represent a crow bar used to pry open a lock or break in to a safe, or an ...

Metazoa evolved in shallow water seas in the late Precambrian, and there was a concomitant increase in abundance and diversity of trace fossils that reached very high levels by the Early Cambrian.

He knew what it was as soon as he saw it: the signature sign of a bird landing. He’d seen hundreds of such tracks along the Georgia coast. He’d photographed them, measured them, and drawn them. The ...