Relationship satisfaction and the energy devoted to keeping a partner are dependent on how the partner compares with other potential mates, a finding that relates to evolution's stronghold on modern relationship psychology, ...
Evolution
May 17, 2016
4
497
Fewer men and women in Brazil value marriage and having offspring when selecting a mate, according to a University of Alabama psychologist.
Social Sciences
Apr 4, 2016
0
13
Worried about the low sex drive of giant pandas in zoos, scientists have tried many things to get them in the mood—not least Viagra and "panda porn".
Plants & Animals
Dec 15, 2015
1
46
Male fruit flies like to have a variety of sexual partners, whereas females prefer to stick with the same mate – or move on to his brothers.
Plants & Animals
Sep 24, 2013
0
0
Darwin suggested that the action of natural selection can produce new species, but 150 years after the publication of his famous book, 'On the Origin of Species', debate still continues on the mechanisms of speciation. New ...
Ecology
Nov 26, 2009
0
0
Female guppies with smaller brains can distinguish attractive males, but they don't recognise them as being more appealing or choose to mate with them, according to a new study by UCL and Stockholm University researchers.
Evolution
Oct 8, 2018
0
101
Our ideal image of the perfect partner differs greatly from our real-life partner, according to new research from the University of Sheffield and the University of Montpellier in France. The research found that our actual ...
Evolution
Oct 1, 2010
7
0
Achieving pregnancy has been shown to be more likely between partners who carry dissimilar human leucocyte antigen (HLA) immune genes. Accordingly, humans are expected to choose HLA dissimilar reproductive partners. Earlier ...
Evolution
Aug 19, 2020
0
124
(PhysOrg.com) -- Breaking up may actually not be hard to do, say scientists who've found a population of tropical butterflies that may be on its way to a split into two distinct species.
Plants & Animals
Nov 5, 2009
5
1
(PhysOrg.com) -- Weather and environmental change can bring alterations – and scarcity – in food resources. In looking at how such changes might affect mating choices and subsequent reproduction, University of Cincinnati ...
Plants & Animals
Apr 1, 2011
0
0
