The frequency of misattributed paternity, where the assumed father is not the biological father, is low and decreasing in Sweden, according to an analysis of 1.95 million family units with children born mainly between 1950 ...
Social Sciences
Jul 21, 2021
1
2
Although the United States is the only wealthy nation that doesn't guarantee paid leave to mothers or fathers after the arrival of a new child, Americans endorse providing paid time off for parents nearly as much as people ...
Social Sciences
Jun 25, 2021
0
8
Shark scientists at Georgia Aquarium, Scripps Institution of Oceanography at UC San Diego, and Dalhousie University are challenging the status quo in shark and ray mating research in a new study that looks at biological drivers ...
Ecology
Mar 4, 2021
0
7
Since methods for genetic paternity analyses were introduced, it has been clear that many pair-living animal species, including humans, do not take partnership fidelity that seriously. In most species, there is some proportion ...
Plants & Animals
Nov 23, 2020
0
35
Despite progress in recent decades to close the salary gap between women and men in the workplace, one stubborn disparity persists: Mothers earn much less after having a child.
Social Sciences
Jun 24, 2020
0
0
From avocado plants to baker's yeast, humans to zebras, sexually reproducing organisms must create germ cells that contain half the number of chromosomes found in a typical body cell. When these germ cells—such as sperm ...
Cell & Microbiology
May 6, 2020
0
125
Humans differ from other primates in the types and amounts of care that males provide for their offspring. The precise timing of the emergence of human "fatherhood" is unknown, but a new theory proposes that it emerged from ...
Plants & Animals
Apr 27, 2020
39
260
Compared with our closest relatives, the common chimpanzee and the bonobo, humans are pretty good at focusing exclusively on one mate at a time.
Social Sciences
Mar 11, 2020
1
110
Like most other species, male sea turtles will mate with any female sea turtle they can. However, when it comes to female sea turtles and mate selection, it's a little more complex. Sea turtles are known to have multiple ...
Plants & Animals
Feb 27, 2020
0
116
A new study from UCLA professor of anthropology Brooke Scelza invites geneticists and sociologists to think more broadly about human fidelity and paternity.
Social Sciences
Feb 20, 2020
15
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