DNA Reveals Humans Interbred With Neanderthals a Surprisingly Short Time Ago
SARA HUSSEIN, AFP
8 APRIL 2021
Genetic sequencing of human remains dating back 45,000 years has revealed a previously unknown migration into Europe and showed intermixing with Neanderthals in that period was more common than previously thought.
The research is based on analysis of several ancient human remains - including a whole tooth and bone fragments - found in a cave in Bulgaria last year.
Genetic sequencing found the remains came from individuals who were more closely linked to present-day populations in East Asia and the Americas than populations in Europe. This indicates that they belonged to a modern human migration into Europe that was not previously known from the genetic record, the research, published Wednesday in the journal
Last modified on Thu 8 Apr 2021 13.36 EDT
It is a trope used in films from King Kong to Tarzan – a male primate standing upright and beating its chest, sometimes with a yell and often with more than a dash of hubris.
But it seems the pounding action is less about misplaced bravado than Hollywood would suggest: researchers studying adult male mountain gorillas say that while chest-beating might be done to show off, it also provides honest information.
“We found it is definitely a real, reliable signal – males are conveying their true size,” said Edward Wright, co-author of the research from the Max Planck Institute for Evolutionary Anthropology in Germany.
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Silverback gorillas stand up and beat their chest as a form of communication, a study has found.
Analysis of wild male mountain gorillas in Rwanda reveals a male s drumming noise conveys how big they are and also their identity.
German researchers found larger gorillas make a deeper noise when smacking their chest than their smaller peers and each individual s thwacking pattern is unique.
It is thought that when silverbacks hit their muscular torsos they are broadcasting their dominance and size to rival males while simultaneously trying to impress females who may be potential mates.
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German researchers found bigger gorillas make a deeper noise than their smaller peers and each individual s thwacking pattern is unique