As obesity is increasing exponentially worldwide, researchers are focusing on identifying pathways leading to excessive weight gain and to the development of obesity-associated diseases, such as ...

Modern pinnipeds (the group that includes seals, sea lions and walruses) show a range of sexual dimorphism (large differences in size between males and females) and mating systems that span the ...

Researchers have shown that sex differences in animals vary dramatically across species, organs and developmental stages, and evolve quickly at the gene level but slowly at the cell type level.

Creatures that can change from one form to another are a staple of science fiction: Think werewolves and Transformers. Nature, too, has its shapeshifters, such as dimorphic fungi. While scientists ...

It seems that reproductive success and sexual dimorphisms for dorsal color and for vision are inexorably interdependent in ruddy copper butterflies In August it is a joy to revel in fields full of ...

Between July 2008 and July 2011, we conducted enhanced surveillance to identify the cause of systemic, dimorphic fungal infections in patients presenting to Groote Schuur Hospital and other hospitals ...

Humans are sexually dimorphic, which means that males and females are, on average, different sizes. In humans, like most sexually dimorphic species, males are typically larger than females. Why does ...

Is it a sex difference or a gender difference? According to the Publication Manual of the American Psychological Association, "Gender is cultural and is the term to use when referring to women and men ...

Some fungi, particularly species in the order Mucorales, can change from one form to another by changing what genes they express. Mucor lusitanicus will take the form of yeast in anaerobic ...