Here’s an analogy I find helpful. In a laboratory, a culture is a biochemical broth custom-made to promote the development of this or that organism. Assuming the microbes in question start out with a clean bill of health and genetic fitness, a suitable and well-maintained culture should allow for their happy, healthy growth and proliferation. If the same organisms begin showing pathologies at unprecedented rates, or fail to thrive, it’s either because the culture has become contaminated or because it was the wrong mixture in the first place. Whichever the case, we could rightly call this a
...more
