Size does matter, at least when it comes to some hermit crabs, who appear to have evolved longer penises so they can stay in their shells to protect their homes during sex.
Plants & Animals
Jan 16, 2019
1
41
Many animal species are known to give off chemical signals to attract sexual partners, but scientists still debate whether pheromones used in aphrodisiac perfumes actually play any role in human mating.
Other
Mar 8, 2017
8
145
When a female praying mantis bites the head off her sexual partner, it is probably not out of anger.
Plants & Animals
Jun 29, 2016
0
673
Scientists from The University of Western Australia have discovered a new way of measuring the effectiveness of different sperm competing to fertilise eggs in blue mussels.
Cell & Microbiology
Mar 29, 2016
0
6
Females have more sexual partners when they live in colder climates and are happier being monogamous when it is hotter, a study into the behavior of insects has found.
Plants & Animals
Oct 26, 2015
0
63
Love and commitment can make sex physically more satisfying for many women, according to a Penn State Abington sociologist.
Social Sciences
Aug 19, 2014
5
0
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
The great variation of a specific form of immune genes makes organ transplants so complicated. On the other hand, we need such a great variability in order to resist infectious diseases. This is why it also plays a major ...
Biotechnology
Jan 10, 2012
0
0
In the animal world, males typically search for their female partners. The mystery is that in some species, you get a reversal -- the females search for males.
Plants & Animals
Sep 28, 2011
4
0
(PhysOrg.com) -- In a new study titled Male-Female Coevolution in the Wild: Evidence from a Time Series in Artemia Franciscana and published in Evolution, evolutionary ecologist Nicolas Rode from the Centre for Functional ...
