Traditional explanations for why some animals are monogamous and others are promiscuous or polygamous have focused on how the distribution and defensibility of resources (such as food, nest sites, or mates) determine whether, ...
Evolution
Dec 19, 2019
1
194
Alone, as a pair or in groups—the diversity in social systems of primates is interesting because it may also provide insights into human social life. An evolutionary biologist from the German Primate Center—Leibniz Institute ...
Plants & Animals
Dec 18, 2019
1
89
These days it's easy to resolve questions about paternity with over-the-counter test kits. Now, researchers have put DNA evidence together with long-term genealogical data to explore similar questions of biological fatherhood ...
Evolution
Nov 14, 2019
0
226
In a new study published in the Proceedings of the National Academy of Sciences, an international research team led from Uppsala University discovered kin relationships among Stone Age individuals buried in megalithic tombs ...
Archaeology
Apr 15, 2019
0
1529
By applying gene analysis to individual cells from early mouse embryos, researchers at Karolinska Institutet in Sweden have discovered previously unknown cellular stages of fetal development from fertilised egg to living ...
Cell & Microbiology
Mar 6, 2019
0
38
Relationships for couples often improve when fathers take parental leave during the first nine months of a child's life, says a new study from Ball State University.
Social Sciences
Nov 7, 2018
0
4
Females of a socially monogamous passerine, the Japanese great tit (Parus minor), become more promiscuous after hatchings fail in the first breeding attempt—apparently attempting to ensure successful reproduction.
Plants & Animals
Oct 9, 2018
0
2
The importance of grandmothers in the lives of their grandchildren has changed. The shared lifetime between grandmothers and their grandchildren has a fundamental effect on how grandparents and grandchildren influence each ...
Social Sciences
Sep 7, 2018
0
5
Does the mother or father have a stronger influence on their children's language? The mother tongue hypothesis suggests that language usage follows matrilineal inheritance. The father tongue hypothesis holds that paternal ...
Social Sciences
Aug 20, 2018
0
73
A research team from the Center for Biomedical Research (CBMR), at the University of Algarve (UAlg), and Instituto Gulbenkian de Ciência (IGC), led by Rui Gonçalo Martinho (UAlg) and Paulo Navarro-Costa (UAlg and IGC) has ...
Cell & Microbiology
Jul 25, 2018
0
4
