In the final episode of Inside The Human Body, Michael Mosley reveals the ingenious ways in which your body defends itself against a hostile world - where sunlight shatters your DNA and every breath contains microbes that can kill.

Why does the brain look like a giant walnut, how does it fit in enough wiring to stretch four times around the equator, and why could a magnet on the head stop someone mid-sentence?

The brain is constantly being bombarded with information, so how does it decide what to trust and what to ignore, without the person even being aware of it?

Have you ever seen a face in a piece of burnt toast, or given your car a name? Why do you feel pain when someone else is hurt? Why are people so obsessed with other people?

Series of lectures on a single topic, presenting scientific subjects to a general audience in an informative and entertaining manner

Geoffrey Smith's moving film follows Henry as he travels to Kiev to help Igor operate on a young man called Marian, who without surgery has just months to live. When Henry arrives, he faces a serious challenge - Marian must be awake when his tumour is removed, and Henry must use the most basic tools, including a Black and Decker drill.

Amy Hardie's personal film follows a year in her life as she comes to terms with vividly dreaming of her own death.