“If the Justinian plague could erupt in the human population, cause a massive pandemic, and then die out, it suggests it could happen again. Fortunately we now have antibiotics that could be used to effectively treat plague, which lessens the chances of another large-scale human pandemic.” ...
Let me augment that: really oldand slowly changing. By the end of the 18th century, geologists knew that shark teeth found on mountain tops are likely explained by the fact that a long time ago, these rocks were under water. The idea that geological processes happen very slowly, in "deep...
They had little idea of personal hygiene and no understanding of how a disease like the bubonic plague might be transmitted. All they saw was the result: the swollen lymph nodes, the large suppurating boils, the gangrene and the black blood leading to death within a matter of days. Since ...