Amoeba in the Room

Animals and plants rule the world - or do they? A cup of seawater contains 100 million cells which are preyed upon by billions of viruses; a pinch of soil swarms with cryptic microbes whose activities are a mystery; 50 million tons of fungal spores are released into the atmosphere every year and affect the weather; and, human beings are mobile ecosystems that farm, and are farmed by, vast populati...