On the cusp of sexual maturity, a young lioness is about to be sterilised. It's to prevent mating with her father and uncles, the only three wild males on this small South African reserve.
Ecology
Dec 15, 2021
0
31
A trio of researchers at Saint Joseph University's Department of Psychology has found that female California mice take longer to mate with a new partner after the loss of their monogamous mate than do males. In their paper ...
Sperm are generally viewed as having just one action in reproduction—to fertilize the female's egg—but studies at the University of Adelaide are overturning that view.
Cell & Microbiology
May 17, 2021
1
64
A team of researchers from the University of Toronto, the Institute of Sexology and Sexual Medicine, Charité – Universitätsmedizin Berlin and the University of Lethbridge has found evidence showing that males with an ...
(Phys.org)—A female cichlid hybrid fish has been observed to have grown male reproductive organs, impregnate itself and then to have offspring, a team of researchers in the U.K. are reporting in a paper published in the ...
Genetically modified mosquitoes could help Brazil combat the Zika virus, tests results released Tuesday by a British biotech firm suggest.
Biotechnology
Jan 20, 2016
0
74
Every year, slightly more boy babies than girl babies are born worldwide. But back when sperm meets egg, the two sexes are conceived in equal numbers, a new study suggests.
Other
Mar 30, 2015
4
415
"Man up!" is an emerging expression whose significance has become loaded in our society, according to Anthony Synnott, a professor at the Concordia University Department of Sociology and Anthropology. In his most recent book, ...
Social Sciences
Dec 13, 2010
0
0
Couples hoping for a baby girl might be best advised to go and live in Africa, if a study published on Wednesday is correct.
Other
Apr 1, 2009
1
0
The guys were all stressed out. There were new infants in the community, and the guys knew from experience that that's when invaders were likely to come and kill the babies, particularly the male infants. This annual threat ...
Plants & Animals
Mar 4, 2009
0
0
