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Wolves are learning to survive in one of the most radioactive places on Earth.
Inside the Chernobyl Exclusion Zone, where human activity has been minimal since the Chernobyl disaster, wildlife has rebounded and gray wolves are thriving.
Studies show wolf populations there are significantly denser than in nearby uncontaminated regions, in some cases several times higher.
Scientists are now uncovering why. Genetic research has revealed notable differences between these wolves and others elsewhere. Some of these variations are linked to how their bodies manage radiation exposure and repair DNA damage, key factors in cancer risk.
Rather than being unaffected, the wolves appear more resilient. Certain genes tied to tumor suppression and immune response seem more active, potentially helping them cope with long-term radiation.
This is a clear example of natural selection. Over generations, wolves better suited to survive in this environment are more likely to pass on those traits.
What’s especially compelling is that some of the same genetic pathways are also relevant to human cancer research. Studying these wolves could offer insights that one day contribute to new treatments.
Learn more:
"40 years after Chernobyl, wolves may be adapting to live with radiation." Science Alert
