Thawing Arctic permafrost might reawaken ancient pathogens, endangering animals and humans.
Scientists fear that thawing permafrost might release pandemics, waste, and disrupt ecosystems.
NASA scientist stresses permafrost freezing to minimise environmental issues.
According to study, a sudden thaw exposes old permafrost, releasing chemicals and bacteria.
The quick thawing of permafrost releases chemicals and microbes, according to a study.
NASA scientist warns about Methuselah bacteria' unknown effects on Arctic ecosystems.
Miner warns that ancient bacteria may affect soil and vegetation, increasing climate change.
It is unknown how ancient microbes will react to modern environments; there is no experiment to run.
Miner recommends against thawing and climate change to avoid permafrost dangers.