Stratification theories layer the natural world from the inanimate to the animate to the animal to the human. They used to be ...

Prior to the 20 th Century, one of the most common ways of seeing the world was through the lens of stratification, which is the idea that the natural world comes in different scales or layers.

You will often see on seed packets that they benefit from a period of cold stratification, but what exactly does this mean and how simple is it to do? Well, the good news is that it is not a tricky ...