Even at one of the tallest natural peaks on Earth, humans have left their mark in a trail of bacteria as researchers have found germs from coughing and sneezing that have been potentially preserved for centuries on Mount Everest.
In this May 22, 2019, file photo, a long queue of mountain climbers line a path on Mount Everest just below camp four, in Nepal.
Near the world's tallest peak above sea level at Mount Everest, researchers detected human-associated microbes from coughing and sneezing that could potentially have been leaving trails of human bacteria for centuries., analyzed samples from the South Col, at 7,925 metres high, where nature explorers set up their final camp before climbing up to the mountain's peak.
Additionally they were able to find organisms previously found in the Andes and Antarctica, including a genus of fungi called Naganishia, which can endure freezing temperatures and UV radiation. While most microbes don't survive the cold terrain and high UV light on the mountain, researchers believe Naganishia may still be able to grow with water and sunlight to have just enough heat to survive.
as some struggling to complete the climb often leave behind their tents when it's too cold or difficult to dig out, or let their human waste fall into crevasses on the mountain.have caused the popular starting point of the trek at the south base camp to move further down after 2,000-year-old ice began to melt.
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