Results 141 to 150 of about 161,421 (174)
Some of the next articles are maybe not open access.
Journal of Human Evolution, 2012
Among mammals, male-male competition for sexual access to females frequently involves fighting. Larger body size gives males an advantage in fighting, which explains why males tend to be larger than females in many species, including anthropoid primates. Mitani et al. derived a formula to measure the operational sex ratio (OSR) to reflect the degree of
Frank W, Marlowe, J Colette, Berbesque
openaire +3 more sources
Among mammals, male-male competition for sexual access to females frequently involves fighting. Larger body size gives males an advantage in fighting, which explains why males tend to be larger than females in many species, including anthropoid primates. Mitani et al. derived a formula to measure the operational sex ratio (OSR) to reflect the degree of
Frank W, Marlowe, J Colette, Berbesque
openaire +3 more sources
The evolution of monogamy and concealed ovulation in humans
Journal of Social and Biological Systems, 1979Abstract Homo sapiens is unique among primates in that it is the only group-living species in which monogamy is the major mating system and the only species in which females do not reveal their ovulation by estrus. These unique traits can be explained in terms of natural selective and cultural selective theory applied at the level of the individual.
L BENSHOOF, R THORNHILL
openaire +2 more sources
The evolution of self-concealed ovulation in humans
Ethology Ecology & Evolution, 1995nlike most primate species, human females appear to have ovulation hat is concealed not only from conspecifics but also from individuIs themselves. Concealment of ovulation from conspecifics, and in ost cases specifically from males, can be explained in standard Darwinian terms.
A.L.J. Freeman, H.Y. Wong
openaire +2 more sources
Concealed ovulation as a strategy for increasing per capita paternal investment
Mankind Quarterly, 1996L'A. tente de comprendre pourquoi les femmes dissimulent leur ovulation. Il se demande si les ancetres des hommes manifestaient certains signes permettant d'identifier la periode d'ovulation. Il s'efforce de reconstituer les comportements sexuels des hominides.
E. Miller
openaire +2 more sources
Concealed Ovulation and Multi-male Groups
Encyclopedia of Evolutionary Psychological Science, 2019R. Burch
openaire +2 more sources
Loss of Oestrus and Concealed Ovulation in Human Evolution
Current Anthropology, 1999B. Pawłowski
openaire +2 more sources
The evolution of concealed ovulation in vervet monkeys
Trends in Ecology & Evolution, 1987S. Datta
openaire +2 more sources
The Lancet, 2023
BACKGROUND Levonorgestrel, a standard drug for emergency contraception (EC), is not effective if administered post-ovulation. A cyclo-oxygenase inhibitor could contribute synergistic effects.
R. Li +5 more
semanticscholar +1 more source
BACKGROUND Levonorgestrel, a standard drug for emergency contraception (EC), is not effective if administered post-ovulation. A cyclo-oxygenase inhibitor could contribute synergistic effects.
R. Li +5 more
semanticscholar +1 more source
Human Ovulation Hidden Hints and It's Effects on Fluctuant Assymetry Studies
Bioinformatics, 2019This document tries to study the truth about human concealed ovulation only by analysing possible facial modifications. In normal view, the human ovulation remains concealed.
Mahsa Kiazadeh +2 more
semanticscholar +1 more source