When a sperm cell meets an egg cell | Inside the Human Body

1: Creation | Inside the Human Body

Using state-of-the-art graphics, Michael Mosley shows the sequence of biological events that lead to human birth.

2: First to Last | Inside the Human Body

Michael Mosley shows how, from its first breath to its last, the body performs countless small miracles to stay alive.

3: Building Your Brain | Inside the Human Body

Michael Mosley examines the human brain from birth to adulthood and shows why it takes 20 years to mature.

4: Hostile World | Inside the Human Body

Michael Mosley reveals how the body defends itself, and the innovations behind a hand transplant operation.

An introduction to phagocytes | Inside the Human Body

Michael Mosley looks at how white blood cells, called phagocytes, fight bacteria inside our blood.

How food and oxygen combine to provide energy to work the body | Inside the Human Body

Using state-of-the-art graphics, Michael Mosley explains what happens to food inside o...

How the body keeps warm in cold environments | Inside the Human Body

Using state-of-the-art graphics, Michael Mosley shows what happens in our bodies when we get cold.

Learning Zone | Inside the Human Body

Using spectacular graphics based on the latest science and stories of remarkable people around the world, Michael Mosley examines the h...

Light receptors | Inside the Human Body

There are two types of light receptors within the retina responsible for detecting and processing light: the rods and the cones.

Risk-taking | Inside the Human Body

Meet Stephanie, her teen brain allows her to take more risks when car racing compared to competitors.

Synaptic pruning | Inside the Human Body

Michael Mosley explains how during brain development, synaptic pruning occurs and what this means for behaviour

The complexity of brain surgery | Inside the Human Body

A little girl, Angelina, requires complex brain surgery in order to alleviate the systoms she is suffering as a resul...

The life cycle of a red blood cell | Inside the Human Body

Using state-of-the-art graphics, Michael Mosley shows the journey of a red blood cell through the body.

The process of healing a wound | Inside the Human Body

Using state-of-the-art graphics, Michael Mosley illustrates what happens inside the body in response to a wound or inj...

The role of T cells and antibodies when fighting an infection | Inside the Human Body

Using state-of-the-art graphics, Michael Mosley explains what happens when a virus ente...

1: Into the Brain | Blood and Guts: A History of Surgery

Documentary series looking at the brutal, bloody and dangerous history of surgery begins with the area of the body w...

Impact of nature on physical and mental health | Just One Thing - with Michael Mosley

Michael Mosley discusses the importance of spending time in nature and how this can imp...

The complexity of brain surgery | Inside the Human Body

A little girl, Angelina, requires complex brain surgery in order to alleviate the systoms she is suffering as a resul...

Lombroso's Theories of Crime | The Mystery Of Murder: A Horizon Guide

When looking at the reasons why people offend, Lombroso, a scientist in the 19th century, believed he h...

Treating diabetes with an artificial pancreas | Trust Me, I'm a Doctor

In this clip we discover what diabetes is and a new way of treating the condition compared to the trad...

1: We Are What We Eat | The Secrets of Your Food

Michael Mosley and James Wong reveal the delicious science hidden inside our food. Michael begins by trying the first meal m...

The rise of antibiotic resistant bacteria | Michael Mosley vs The Superbugs

Michael Mosley introduces the problem of antibiotic-resistant bacteria, and Superbugs.

Sleep | The Truth About...

We are one of the most sleep-deprived countries in the world. In The Truth About Sleep, insomniac Michael Mosley finds out what happens if we don'...

Chemical weapons | Inside Porton Down: Britain's Secret Weapons Research Facility

Introducing the idea of chemical and biological weapons, leading onto pathogens.

The Wonderful World Of Blood - With Michael Mosley

Michael Mosley gives up a fifth of his own blood to perform six bold experiments. From starving it of oxygen to injecting ...

The 1890s | The Victorian Slum

A group of people move into a recreated Victorian slum. The slum dwellers have moved into the 1890s, when Britain was slowly recovering from a...

1: The First 8 Weeks | Countdown to Life: The Extraordinary Making of You

Michael Mosley presents the story of how you were made, in a series produced in partnership with Th...

Infested! Living with Parasites

Dr Michael Mosley explores the bizarre and fascinating world of parasites by turning his body into a living laboratory and deliberately infes...

Is Your Brain Male or Female? | Horizon

Dr Michael Mosley and Professor Alice Roberts investigate whether male and female brains really are wired differently.

Fast Tales

During the most demanding Ramadan for over 30 years, Dr Saleyha Ahsan meets prominent British Muslims undertaking 16 hour fasting days throughout July and talks t...

Pain message | Pain, Pus and Poison: The Search for Modern Medicine

Painkillers act at different points along the pain pathways to turn the pain response down.

2: Pus | Pain, Pus and Poison: The Search for Modern Medicines

Dr Michael Mosley explores our earliest attempts to tackle infection and how scientists, chemists and doctors ...

What is a virus? | Winter Viruses and How to Beat Them

A simple explanation and visualisation exploring what a virus is and how it replicates in the body.

Digestive powers | Guts: The Strange and Wonderful World of the Human Stomach

The digestive powers of the gastric juices within the human stomach are tested.

Split brain patients | The Brain: A Secret History

These split brain patients showed Sperry that each hemisphere of the brain has a different role to play and a separate con...