Male stickleback fish that protect their young have bigger brains than counterparts that don't care for offspring, finds a new University of British Columbia study.
A team of researchers has discovered that changes in population density can affect the size of animals' testes and therefore impact on reproduction.
Releasing genetically engineered fruit flies into the wild could prove to be a cheap, effective and environmentally friendly way of pest control according to scientists at the University of East Anglia and Oxitec Ltd.
A team of scientists, including Museum fish researcher Dr Ralf Britz, have discovered that in one genus of fish the swimbladder, the organ used for buoyancy in water, is greatly enlarged in the males.
Plants which used to have two types of male reproductive organs – to increase their chances for fertilisation – are reverting back to one type. And in some cases, they are becoming self-fertilising.
A unique archaeological find uncovered near the site of a Roman villa in Dorset could help to shed light on the rural elite of late-Roman Britain.
A small tree or shrub found in mountainous Central and South American rainforests has a most unusual relationship with the birds that pollinate its flowers, according to a study reported in the journal Current Biology on ...
UWA scientists researching the seminal fluid of field crickets (teleogryllus oceanicus) are a step closer to knowing why the insect's competitive fertilisation success increases with age.
Scientists have modified mosquitoes to produce sperm that will only create males, pioneering a fresh approach to eradicating malaria.