It was long thought that during an embryo's first cell division, one spindle is responsible for segregating the embryo's chromosomes into two cells. EMBL scientists now show that there are actually two spindles, one for each ...
Cell & Microbiology
Jul 12, 2018
0
165
The professional ethos of law firms discourages men from taking parental leave, a new Finnish-Canadian study shows. Carried out by the University of Eastern Finland and TÉLUQ University in Quebec, the study found that the ...
Social Sciences
Jun 1, 2018
0
1
Tiger sharks appear to be genetically monogamous – and it could be putting the species at risk.
Ecology
Jan 17, 2018
0
49
Historically, the help provided by grandmothers has increased grandchild survival during times of high child mortality. However, there have been signs that in many populations, the impact of maternal grandmothers and paternal ...
Social Sciences
Jan 16, 2018
0
8
Why are some hybrids viable and others not? It is known that this depends on the father species and the mother species. New research in two related frog species shows the influence of mother and father species: One hybrid ...
Plants & Animals
Jan 11, 2018
0
27
Evolutionary interests of males and females do not always coincide. This is known as sexual conflict: male innovations that allow them to reproduce more sometimes hurt females, and vice versa.
Plants & Animals
Nov 3, 2017
0
45
American men much more readily acknowledge that they are the legal father of a child born out of wedlock when the woman involved is more affluent, educated, and healthy. It also helps (slightly) if the baby is a boy, says ...
Social Sciences
Feb 15, 2017
0
5
Females can enhance the survival chances of their offspring by mating with multiple males. When it comes to immunological benefits, however, female promiscuity may not provide the young the advantages long suspected, as a ...
Evolution
Apr 15, 2016
0
4
Researchers within the Biocomplexity Institute of Virginia Tech have demonstrated that eggs actively silence hundreds of paternal genes that encode ribosomal RNA, the protein factories of the cell, and that this suppression ...
Cell & Microbiology
Feb 22, 2016
0
29
A study was published last week on the DNA of Helicobacter pylori, the pathogen extracted from the stomach of Ötzi, the ice mummy who has provided valuable information on the life of Homo Sapiens.
Archaeology
Jan 14, 2016
1
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