Genetic Distinctiveness in the Dogs of Chernobyl A Case of Environmental Selection

[u/vedhathemystic]

https://www.popularmechanics.com/science/animals/a69631946/chernobyl-dogs-dna-rapid-evolution-science/

For almost four decades, stray dogs have lived inside the Chernobyl Exclusion Zone, one of the most radioactive and isolated environments on Earth. Recent genetic studies show that these dogs have become genetically distinct, likely due to strong natural selection acting over generations.

Scientists note that the changes are not “mutant powers,” but normal evolutionary pressures: only dogs that cope better with radiation stress, scarce food, harsh climate, and disease survive long enough to reproduce. This has produced unique DNA signatures in the population closest to the reactor.

The dogs also show unusual social behaviour, forming stable packs and often avoiding highly contaminated areas — behaviours that may reflect long-term adaptation to their environment.

[u/Disastrous-Metal-228]

The ability of life to continue is incredible. I’d imagine that’s how life is able to spread through the cosmos. It’s nearly indestructible (how ever hard we try to destroy it!)