Baron Jakob Johann von Uexkull, a Baltic German biologist, mentioned in his book entitled Stroll through the World of Animals that all creatures, including plants, on this planet live in an Umwelt ...

A lab study on crickets has revealed sex differences in how the insects direct their nutritional resources to increase ...

Artificial tissues that mimic the placenta, endometrium, ovary and vagina could point to treatments for common conditions ...

We humans love putting things in boxes. Assigning simple categories makes us feel comfortable – but all too often, biology ...

For decades, it was thought that while the brain orchestrated male sexual behavior—arousal, courtship, and copulation—the ...

BACKGROUND: PYGM (muscle glycogen phosphorylase), the rate-limiting enzyme in glycogenolysis, plays an indispensable role in maintaining cardiac energy metabolism. However, the role of PYGM in the ...

While not a clinical diagnosis, experts say it’s an accurate description of a cluster of symptoms that often appears in aging men.

Complex algae, animals, fungi and plants all have predictable life histories that separate out three basic aspects of ...

Some human organs, such as kidneys and lungs, have back-ups. Some can be lost with little consequence—the spleen, for example ...