86,000-year-old human bone found in Laos cave hints at 'failed population’ from prehistoric times

A wise man Arriving in Southeast Asia 86,000 years ago, a human jaw bone fragment was found inside a cave in Laos.

The discovery comes from the cave Tam Pa Ling, or Cave of the Monkeys, is located on a mountain in northern Laos about 3,840 feet (1,170 meters) above sea level. Fragments of human bones Previously discovered in the cave 70,000 years old, they are some of the earliest evidence of human presence in this part of the world. The discovery prompted archaeologists to dig deeper.

The team did just that, finding two new bones, they reported in a study published Tuesday (June 13) in the journal. Natural communication. The bones – fragments of the front of a skull and a jawbone – may have been washed into Tam Pa Ling Cave during a monsoon. Although the bones were broken and incomplete, the researchers were able to compare their dimensions and shape to other bones from early humans, and found that they matched very closely. A wise man than other primitive men, such as standing manNeanderthals or Denisovans.

Here we see different views of the skull from Tam Pa Ling in Laos. (Image credit: Fabrice Demeter)

The researchers used luminescence dating of nearby sediments and uranium-series dating of mammal teeth from the same layers to develop an age range for the human remains. Luminescence dating is a technique that measures the last exposure of crystalline materials, such as stones, to sunlight or heat, while U-series dating is a radiometric technique that, like carbon-14 dating, measures the decay of uranium over time. Thorium, Radium and Lead. The skull is 73,000 years old, and the jawbone is 86,000 years old.

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