Genetics

A shared past for East Africa's hunter-gatherers

Languages that involve "clicks" are relatively rare worldwide but are spoken by several groups in Africa. The Khoisan language family includes a handful of these click languages, spoken by hunter-gatherer groups in southern ...

Genetics

Big data provides clues for characterizing immunity in Japanese

Although genes are distributed widely across chromosomes, many genes related to the immune system are clustered together on human chromosome 6 in a segment called the major histocompatibility complex (MHC) region. The density ...

Genetics

Scientists find genes with large effects on head and brain size

Children's heads expand steadily to accommodate their growing brains, and doctors routinely measure head circumference during the first years of life to assess healthy brain development. Children from around the world follow ...

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