Phosphate and phosphorus, use it wisely
Phosphorus is an essential ingredient of life on earth. It is a component of DNA and of bones, and it fulfils a key role in energy transfer in living cells. Yet it was regarded as an evil element after its discovery by Hennig Brand in 1669. Brand produced it from urine. The white phosphorus he
What is biomass anyway?
What is biomass? Biomaterial, a source of energy or both? The answer depends on who you are, and where and when you live. Traditionally defining biomass was the domain of ecologists and agricultural scientists. Ecologists are likely to say ‘biomass is the total mass of living matter within a given area’. However, plant physiologists and
