A large-scale analysis of 117 mammal species found that preventing reproduction is associated with longer lifespans, suggesting a strong link between reproductive activity and life expectancy. Why do ...

A new article in Ecological and Evolutionary Physiology examines how the immune system and reproduction interact in female mammals, especially during pregnancy, from mating to birth. Lauren E.

Why do lifespans vary across different species? A female elephant can live up to 80 years, but usually only has a few calves during her lifetime. A mouse, on the other hand, lives for a few years at ...

It discusses the miracle of reproduction in nature, emphasizing that all life begins from tiny eggs. It illustrates the reproductive processes of plants, fish, birds, and mammals, detailing how pollen ...