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...

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...

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...

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...

Fat, addiction and the reward pathway | The Secrets of Your Food

Michael describes in detail what is happening in the pleasure centres of our brain and why such fatty foods ...

The disadvantages of broad-spectrum antibiotics | Michael Mosley vs The Superbugs

Michael Mosley explains and illustrates how the use of broad-spectrum antibiotics can lead ...

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'...

Inside Porton Down: Britain's Secret Weapons Research Facility

Michael Mosley investigates Porton Down, Britain's most secretive and controversial military research base. He...

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 1860s | The Victorian Slum

A group of 21st-century people move into a recreated Victorian slum. In this episode, the slum dwellers move into the 1860s, when London was t...

3: The Final Push | Countdown to Life: The Extraordinary Making of You

A look at the final months in the womb, when cartilage hardens to form the skeleton. Produced in partn...

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...

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

The discovery of vaccines has helped scientists to tackle a variety of viruses.

How respiratory viruses spread | Winter Viruses and How to Beat Them

An explanation of how respiratory viruses can spread by causing us to cough and sneeze.

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

Dr Michael Mosley explores how scientists went from finding antidotes to poisons to applying poisons as cur...

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.

Fatty food and the body | Horizon

Michael Mosley eats a Scottish breakfast and gets a lesson in how fats stay in your bloodstream.

John Watson and Little Albert | The Brain: A Secret History

Dr Michael Mosley discusses how John Watson performed one of the most famous and controversial experiments in psy...

4: Can We Have Unlimited Power? | The Story of Science: Power, Proof and Passion

Michael Mosley shows how the most power-hungry generation that has ever lived has harnessed ...