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Human ancestry has been shaped by mixing and matching alleles

Recent studies reveal complex patterns of admixture in human populations, particularly in Africa and the Americas. In Africa, ancient introgression from Neanderthals and Denisovans contributed to increased genetic diversity, while in the Americas, modern admixture resulted in redistributed archaic ancestry.

SourceSMBE Journals (Molecular Biology and Evolution and Genome Biology and Evolution)·JournalGenome Biology and Evolution·TypeObservational study·DateMay 19, 2023

Tooth enamel provides clues to hunter-gatherer lifestyle of Neanderthals

A study using tooth enamel analyzed by laser ablation revealed that Neanderthals in western Europe hunted large animals, such as wild goat and horses, whereas humans consumed smaller creatures like rabbits and fish. The researchers estimated the territory size of both human groups, finding contrasting results.

SourceUniversity of Southampton·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateMay 9, 2023

Gene variations for immune and metabolic conditions have persisted in humans for more than 700,000 years

A recent study by the University at Buffalo has discovered that genetic variations affecting immunity and metabolism have been preserved in humans for millions of years. This finding supports the theory of balancing selection, which suggests that certain genetic traits can be beneficial or harmful depending on environmental conditions.

SourceUniversity at Buffalo·JournaleLife·DateFeb 21, 2023

Proof that Neanderthals ate crabs is another ‘nail in the coffin’ for primitive cave dweller stereotypes

A study published in Frontiers in Environmental Archaeology reveals that Neanderthals regularly harvested large brown crabs from the nearby rocky coast, targeting adult animals and cooking them on coals. The findings add evidence to the notion that marine foods played a significant role in Neanderthal diets.

SourceFrontiers·JournalFrontiers in Environmental Archaeology·TypeObservational study·DateFeb 7, 2023

Neanderthals hunted elephants: Earliest evidence found of humans killing elephants for food

Neanderthals deliberately hunted down and slaughtered European straight-tusked elephants over 125,000 years ago, providing a significant source of nutrition. The study reveals that Neanderthals came together in larger social groups than previously assumed, with adult male individuals being overrepresented in the assemblage.

SourceJohannes Gutenberg Universitaet Mainz·JournalScience Advances·DateFeb 2, 2023

Immune system of modern Papuans shaped by DNA from ancient Denisovans

A recent study found that Denisovan DNA sequences near immune-related genes in modern Papuans regulate their activity, affecting how people respond to infections. The research suggests that Denisovan DNA contributed to the adaptation of early modern humans living in New Guinea and nearby islands.

SourcePLOS·JournalPLOS ONE·TypeObservational study·DateDec 8, 2022

Jawbone may represent earliest presence of humans in Europe

A new analysis of a 45,000-65,000 year old fossil mandible from Spain suggests it may be the earliest documented presence of Homo sapiens in Europe, rather than a Neandertal. The study used CT scanning and 3D modeling to analyze the fossil's shape and features, finding that it shared characteristics with both humans and Neandertals.

SourceBinghamton University·JournalJournal of Human Evolution·TypeImaging analysis·DateDec 6, 2022

Ancient DNA analysis sheds light on the early peopling of South America

Researchers used DNA from two ancient human individuals to unravel the deep demographic history of South America, providing new genetic evidence supporting existing archaeological data. They also discovered migrations along the Atlantic coast for the first time and found evidence of Neanderthal ancestry within ancient genomes.

SourceFlorida Atlantic University·JournalProceedings of the Royal Society B Biological Sciences·TypeComputational simulation/modeling·DateNov 1, 2022

Neanderthals appear to have been carnivores

A new study using zinc isotope analysis found that Neanderthals were probable carnivores, contrary to earlier research suggesting a plant-based diet. The analysis of a tooth enamel sample from the Gabasa site in Spain revealed a carnivorous diet without blood consumption.

SourceCNRS·JournalProceedings of the National Academy of Sciences·DateOct 17, 2022

Taking your time makes a difference – Brain development differs between Neanderthals and modern humans

Researchers at MPI-CBG found that modern human variants cause longer metaphase and fewer chromosome segregation errors in neural stem cells, leading to more efficient brain development. This suggests that some aspects of modern human brain evolution may be independent of brain size.

SourceMax Planck Institute of Molecular Cell Biology and Genetics (MPI-CBG)·JournalScience Advances·TypeExperimental study·DateJul 29, 2022

Did gonorrhea give us grandparents?

A new study suggests that a unique gene variant supporting cognitive health in older humans may have first emerged to protect against infectious pathogens like gonorrhea. This variant, linked to CD33, allows brain immune cells to break down damaged brain cells and amyloid plaques associated with Alzheimer's disease.

SourceUniversity of California - San Diego·JournalMolecular Biology and Evolution·DateJul 18, 2022

A population hub out of Africa explains East Asian lineages in Europe 45,000 years ago

A recent study published in Genome Biology and Evolution found that ancient human remains from Bulgaria are more closely related to contemporary East Asians than Europeans. The researchers propose a scenario where an African population hub expanded into Europe and East Asia around 45,000 years ago, with the European representatives dec...

SourceUniversità di Bologna·JournalGenome Biology and Evolution·DateApr 7, 2022

Protective gene variant against COVID-19 identified

Researchers at Karolinska Institutet have identified a specific gene variant that protects against severe COVID-19 infection, found in individuals of African ancestry. The study analyzed 2,787 hospitalized patients and 130,997 people from six cohort studies, revealing an 80% prevalence of the protective variant among Africans.

SourceKarolinska Institutet·JournalNature Genetics·TypeMeta-analysis·DateJan 13, 2022

Scientists pretend to be Neanderthals to explore how they caught birds in caves for food

Researchers used a 'role-play' approach to study how Neanderthals caught choughs in caves. They found that the birds were vulnerable to artificial light and could be caught using nets or by hand. The findings suggest that catching birds was another skill of Neanderthals, which is surprising given their intelligence and adaptability.

SourceFrontiers·JournalFrontiers in Ecology and Evolution·TypeExperimental study·DateSep 15, 2021

Neanderthals indeed painted Andalusia’s Cueva de Ardales

A team of scientists found that Neanderthals intentionally applied red ochre pigment to the cave's flowstone formation, dating back 65,000 years. The analysis revealed variations in pigment composition corresponding to different dates of application, indicating a tradition passed down through generations.

SourceCNRS·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateAug 2, 2021

Exploring blood types of Neanderthal and Denisovan individuals

A study analyzing ancient DNA has uncovered new information on the blood types of Neanderthals and Denisovans. The analysis reveals consistent African origins and increased vulnerability to diseases affecting fetuses and newborns, confirming previous evidence of low genetic diversity leading to eventual demise.

SourcePLOS·JournalPLOS ONE·DateJul 28, 2021

Neandertal and Denisovan blood groups deciphered

Researchers analyzed Neandertal and Denisovan genomes to identify blood groups, confirming their African origin and Eurasian dispersal. The study also found evidence of low genetic diversity and possible demographic fragility, shedding light on the disappearance of Neandertals.

SourceCNRS·JournalPLOS ONE·DateJul 28, 2021

A new type of Homo unknown to science

A new type of Homo has been identified in Israel, with features that challenge the prevailing hypothesis on Neanderthal origins. The discovery suggests that at least some Neanderthals' ancestors came from the Levant, and that two types of Homo groups lived side by side for over 100,000 years.

SourceTel-Aviv University·JournalScience·DateJun 24, 2021

Genes linked to creativity were the "secret weapon" in the survival of Homo sapiens

An international team of scientists has identified 267 genes linked to creativity that differentiate Homo sapiens from Neanderthals, suggesting this genetic difference enabled humans to replace them. These genes are also associated with superior adaptation to the environment, resilience to ageing and disease, and greater physical fitness.

SourceUniversity of Granada·JournalMolecular Psychiatry·DateApr 21, 2021

Neanderthal and early modern human culture co-existed alongside older traditions for 100,000 years

Research reveals the Acheulean stone tool tradition persisted for tens of thousands of years longer than thought, overlapping with Neanderthal and early modern human cultures. The study used statistical techniques to reconstruct the end of the Acheulean period, shedding new light on the transition between technologies.

SourceUniversity of Kent·JournalHumanities and Social Sciences Communications·DateMar 1, 2021