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Earliest definitive evidence of people in Americas
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Earliest definitive evidence of people in Americas
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Climate change has altered the size of human bodies, researchers suggest
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bioRxiv:
Pierpaolo Maisano Delser, Mario Krapp, Robert Beyer, Eppie Jones, Eleanor F Miller, Anahit Hovhannisyan, Michelle Parker, Veronika Siska, Maria Teresa Vizzari, Elizabeth J Pearmain, Ivan Imaz-Rosshandler, Michela Leonardi, Gian Luigi Somma, Jason Hodgson, Eirlys Tysall, Zhe Xue, Lara Cassidy, Daniel G Bradley, Anders Eriksson, Andrea Manica
This article is a preprint and has not been certified by peer review
Abstract
Extensive sequencing of modern and ancient human genomes has revealed that contemporary populations can be explained as the result of recent mixing of a few distinct ancestral genetic lineages. But the small number of aDNA samples that predate the Last Glacial Maximum means that the origins of these lineages are not well understood. Here, we circumvent the limited sampling by modelling explicitly the effect of climatic changes and terrain on population demography and migrations through time and space, and show that these factors are sufficient to explain the
Tuesday, 13 Jul 2021 08:07 AM MYT
The study was based on data from over 300 fossils from the ‘Homo’ family. ETX Studio pic
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PARIS, July 13 What if global warming could affect the size of our bodies? Researchers from the University of Cambridge in the United Kingdom and the University of Tübingen in Germany set out to investigate how the average body size of humans has changed, and how this could be linked to temperature.
Their findings, published in the journal
Nature Communications, are enlightening, to say the least.