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Scientists say they now know why and when Gigantopithecus blacki disappeared, over the course of nearly a decade, a team of Chinese and Australian scientists took sediment samples from 22 caves over a wide area in the Guangxi region in southern China.
The scientists used luminescence dating to reveal when the sediments were last exposed to sunlight and deposited in the cave, and they did uranium thorium dating to pinpoint when uranium was taken up into the bone specimens after the animals had died.
The older sediments dating back to around 2 million years ago had hundreds of teeth from Gigantopithecus, but the younger sediments from the extinction window between 295,000 and 215,000 years ago only contained some 3 to 4 teeth.

Music: Adrian von Ziegler
Sources: https://www.nature.com/articles/s4158...
https://apnews.com/article/extinctgr...
https://edition.cnn.com/2024/01/10/wo....
https://www.science.org/content/artic...
https://www.newscientist.com/article/...

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