Some amount of bias (selection? availability?) there, in that part of why we think of your first paragraph examples is because they did make major news. There were probably others that were mostly ignored and so are much harder to think of. (Invention of the bifurcated needle, used for smallpox inoculations? What else has turned out to be really important in retrospect?)
Some amount of bias (selection? availability?) there, in that part of why we think of your first paragraph examples is because they did make major news. There were probably others that were mostly ignored and so are much harder to think of. (Invention of the bifurcated needle, used for smallpox inoculations? What else has turned out to be really important in retrospect?)