human evolution
Human-Specific Genes Implicated in Brain Size
Human-Specific Genes Implicated in Brain Size
Abby Olena | May 31, 2018
Three members of a gene family called NOTCH2NL may have been involved in the evolution of humans’ big cortex.
Ancient Humans Had Hepatitis B
Ancient Humans Had Hepatitis B
Abby Olena | May 9, 2018
Analyses of more than 300 ancient human genomes show that Hepatitis B virus has infected humans for at least 4,500 years and has much older origins than modern viral genomes would suggest.
Genetic Adaptation to Cold Brought Migraines With It
Genetic Adaptation to Cold Brought Migraines With It
Viviane Callier | May 3, 2018
Humans living in higher latitudes tend to have a variant of a gene involved in sensing cold temperatures, but it comes with a cost.  
Free Divers From Southeast Asia Evolved Bigger Spleens
Free Divers From Southeast Asia Evolved Bigger Spleens
Anna Azvolinsky | Apr 19, 2018
The adaptation gives better endurance to the Bajau people, known as sea nomads, by increasing spleen size and, in turn, boosting the number of oxygenated red blood cells when diving.  
<em>Homo Sapiens</em> Fossil Pushes Back Date of Human Migration from Africa
Homo Sapiens Fossil Pushes Back Date of Human Migration from Africa
Jim Daley | Apr 9, 2018
An 88,000-year-old finger bone places human ancestors in Arabia earlier than previously believed.
<em>Homo Sapiens</em> Interbred With Denisovans From Two Different Populations
Homo Sapiens Interbred With Denisovans From Two Different Populations
Shawna Williams | Mar 16, 2018
Researchers find that modern human populations carry distinct sets of genes from the extinct hominin species.
Oldest Known Paintings Created by Neanderthals, Not Modern Humans
Oldest Known Paintings Created by Neanderthals, Not Modern Humans
Catherine Offord | Feb 26, 2018
The animal pictures and hand stencils were made in caves in Spain thousands of years before Homo sapiens arrived in Europe.
Jawbone Fossil Suggests Humans Left Africa Earlier than Previously Believed
Jawbone Fossil Suggests Humans Left Africa Earlier than Previously Believed
Shawna Williams | Jan 26, 2018
The find is estimated to be at least 177,000 years old.
All Native Americans Descended from One Ancestral Population
All Native Americans Descended from One Ancestral Population
Abby Olena | Jan 3, 2018
The genome of an infant who lived in Alaska thousands of years ago represents a previously unknown group of humans called Ancient Beringians, who share a common lineage with other Native Americans. 
The Genetic Strategies of Dealing with High Altitude
The Genetic Strategies of Dealing with High Altitude
Abby Olena | Nov 2, 2017
Andean highlander genomes possess cardiovascular-related variants, while populations from other regions evolved different solutions to manage the lack of oxygen.