Hydrogen sulfide is both stinky and incredibly dangerous.
Dominik Hülse, an Earth system modeler based at University of California Riverside, worked on a November 2021 study that explored how ancient microbes may have prolonged the Permian extinction by producing a toxic gas. Here, Hülse poses with a finger to his nose to highlight the toxic"rotten egg" scent of hydrogen sulfide.in coastal waters and toxic chemical exposures at oil facilities are modern problems.
But scientists are still puzzled about how exactly the volcanic eruptions caused this mass extinction, often referred to as"the Great Dying." Researchers at the University of California Riverside tried to get to the bottom of this mystery in a newA toxic cyanobacterial bloom in Lake Taihu, China.
Oxygen levels in the oceans heavily decreased at the end of the Permian period.
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