Latest Sexual dimorphism Stories
Puberty is the defining process of adolescent development, beginning a cascade of changes throughout the body, including the brain.
Pinning down the answer to a widely-asked question is one of the most exciting things a researcher can do. For Thomas Cullen, who completed the research as part of his Master's degree at Carleton University, this experience came early in his career.
Waterfowl such as ducks, geese and swans belong to the order Anseriformes. Game birds such as pheasants, partridges, hens and turkeys are known as the order Galliformes. The birds belonging to both of these orders are recognized not only for their meat, but also for their elegant display of their plumage.
UCL scientists have shown that there are widespread differences in how genes, the basic building blocks of the human body, are expressed in men and women's brains.
Using a technique that can tell the gender of the person who left handprints on a cave wall based on various hand measurements, a Penn State anthropologist has discovered that the majority of these markings were made by women.
The essence of male beauty is down to the way males use their genes rather than what genes they have.
Without a doubt, “X” does make a difference.
For New Zealand’s extinct, flightless giant moa, females often weighed three times as much as her male suitors say researchers, exhibiting an extreme form of sexual dimorphism.
Sexually naïve male mice respond differently to the chemical signals emitted by newborn pups than males that have mated and lived with pregnant females.
Researchers studying aging in an endangered lemur known as the Milne-Edwards' sifaka report that in old age, females are the safer sex.
The Greater Painted Snipe (Rostratula benghalensis) is a species of wading bird found in the marshes of Africa, India and southeast Asia (Sulawesi). Its preferred habitat are fringes of reed beds along shorelines of marshes, swamps, ponds and streams. The Greater Painted Snipe is not related to true snipes, and differs in habits, flight and appearance. This is a medium-sized bird with a long reddish-brown bill that is slightly downward curved at the tip. It has a unique white or pink eye...