Male fruit flies with strong family ties are less likely to become abusive during mating than others, according to new Oxford research.
When I first started doing experimental biology, I noticed that we only looked at males.
Researchers recently discovered what was thought to be a distinct species of butterfly is actually the female of a species known to science for more than a century.
Men could be held responsible for the failure to produce children as far back as medieval times, a new study of medical and religious texts has shown.
New research from the ANU shows the need for urgent action to boost the flock sizes of the critically-endangered regent honeyeater.
When salmon spawn, the sperm of competing males are in an all-or-nothing race to be the first to reach and fertilise the eggs.
Every day, humans pick up on idiosyncrasies such as slow drawls, high-pitched squeaks, or hints of accents to put names to voices from afar. This ability may not be as unique as once thought, researchers report on July 20 ...
Male live-bearing fish are evolving faster than female fish, according to a Kansas State University study, and that's important for understanding big-picture evolutionary patterns.
In zebra finches, sperm velocity and morphology and hence reproductive success strongly depend on a specific mutation (an inversion) on one of the sex chromosomes, called Z. This was discovered by scientists of the Max Planck ...
In evolution, a high sex drive does not always pay off. Female mosquitofish swim away from over-impetuous lovers because they leave them hardly any time to feed and also tend to injure their genitalia more often.