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The dynamics of family structure is undergoing a transformation. Declining fertility and mortality rates are leading to new ...
Anthropologists have assembled the most complete Stone Age family tree, spanning 7 generations. Genetic studies of the remains of dozens of people in a burial site in France reveal some surprising ...
What This Unprecedented 13-Million-Person Family Tree Reveals. For starters, the new tree calls into question a prevailing theory for why people stopped marrying close relatives.
To build this family tree, or genealogy, researchers sifted through thousands of genome sequences collected from both modern and ancient humans, as well as ancient human relatives, according to a ...
One of the largest shifts in family structure is this: 34% of children today are living with an unmarried parent—up from just 9% in 1960, and 19% in 1980. In most cases, these unmarried parents are ...