Why getting dirty is good for all of us
Darwin extolled the virtues and dedicated his last works to it, few places on Earth are without it, and there is little doubt that human well-being benefits tremendously from it, but what is bioturbation?
It is sobering to think that at any time of day or night an army of invertebrates actively modify the soils and sediments beneath our feet, something that they have been doing for millions of years and which most people take for granted.
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