Researchers say they have discovered an entirely new class of life inside the human body, and it is very similar to a virus.

Human brains today contain 50% more plastic than in 2016, a new study found. Brain of people diagnosed with dementia had the most.

A series of short films for secondary schools examining the human body through ... the skin - protecting the body from pathogens, and stopping the body from drying out. Skin and sweating.

As they swim out of the vagina ... This short film is from the BBC series, Inside the Human Body. Sexual reproduction in humans could be compared to that of other organisms and to asexual ...