Some scientists argue that the largest organ in the human body is the interstitium, which is something of a controversial ...

Researchers preparing to scan a human heart from a donor. (ESRF/Stef Candé) A pioneering project has revealed the human body ...

Male and female reproductive systems allow human reproduction. Fertilisation occurs when a sperm and egg join to form an embryo. An embryo develops into an unborn baby in the uterus during pregnancy.

Many aspects of our world, from the body mass of creatures in the animal kingdom to the population of cities across the globe, follow an intriguing mathematical pattern. Known as Zipf's law, the rule ...