There is evidence that single generation evolution can happen with strong enough shocks. Nothing immediately obvious, just detectable DNA changes that lead to c

There is evidence that single generation evolution can happen with strong enough shocks. Nothing immediately obvious, just detectable DNA changes that lead to changes in risk for certain conditions. https://amp.theguardian.com/science/2015/aug/21/study-of-holocaust-survivors-finds-trauma-passed-on-to-childrens-genes https://amp.theguardian.com/science/2015/aug/21/study-of-hol... https://en.m.wikipedia.org/wiki/%C3%96verkalix_study https://en.m.wikipedia.org/wiki/%C3%96verkalix_study