General

#836 Are any plastics biodegradable?

Are any plastics biodegradable? Some are, but most aren’t. It depends on what they are made from and how they are made. Most natural materials biodegrade once they are dead. Inside the cells of the dead material are polymers, which are chains of small molecules strung together. Bacteria and other organisms break down the cell […]

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#835 What is peat?

What is peat? Peat is a layer of partly decomposed organic matter on the surface of a soil. It has a high water content and a low oxygen content.   Accumulations of peat are called peatlands and they are found in 180 countries worldwide, in different quantities. The highest concentrations are in northern Europe, northern

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#821 What are druids?

What are druids? Druids were members of a priestly class in ancient Celtic cultures. There is not a lot of evidence for druids because they don’t come from a people with a written culture. Most of the records about them were written down by the Roman invaders Gaul and Britain. The Romans suppressed the local

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