Nature Podcast

Ancient DNA debunks Rapa Nui ‘ecological suicide’ theory

Informações:

Sinopse

In this episode:00:45 What ancient DNA has revealed about Rapa Nui’s pastAncient DNA analysis has further demonstrated that the people of Rapa Nui did not cause their own population collapse, further refuting a controversial but popular claim. Rapa Nui, also known as Easter island, is famous for its giant Moai statues and the contested idea that the people mismanaged their natural resources leading to ‘ecological suicide’. Genomes sequenced from the remains of 15 ancient islanders showed no evidence of a sudden population crash, substantiating other research challenging the collapse idea.Research Article: Moreno-Mayar et al.News and Views: Rapa Nui’s population history rewritten using ancient DNANews article: Famed Pacific island’s population 'crash' debunked by ancient DNA17:03 Research HighlightsThe extinct bat-eating fish that bit off more than they could chew, and how manatee dung shapes an Amazonian ecosystem.Research Highlight: Ancient fish dined on bats — or died tryingResearch Highlight: The Amazon’s