[inglor_cz]

Evolution is still a thing at relatively short time periods.

Icelanders are a well-studied population when it comes to genetics. Frequency of some traits meaningfully changed among them in last 100 years.

Source: this book: https://www.amazon.de/dp/0198821263?ref_=pe_109184651_110380...

[genewitch]

Also the moths that "changed" from white to black during and because of the industrial revolution. That was quick, and to me, the best example of how it all works.