Electron microscope | Science In Action

01: Creation | How to Build a Human

Scientists are now at the pivotal moment of being able to unlock the instructions hidden in the cells of humans.

Cells under a microscope | Science In Action

Spec references J247: B1.1a. Showing onion cells and cheek cells under a microscope.

Collagen | Secrets of Skin

Collagen makes up 90% of the skin dermis. Professor Ben Garrod talks to a scientist studying collagen whose research has some ground-breaking appl...

Elastin | Secrets of Skin

Why do we get wrinkles? Professor Ben Garrod explores the function of elastin in an animal's skin.

Epidermis | Secrets of Skin

Professor Ben Garrod gives a brief introduction to the structure of skin, especially the epidermis.

Human defence systems | Secret Universe: The Hidden Life of the Cell

This simulation brings to life the process of a cell's defence against viruses.

Key parts of the cell | Secret Universe: The Hidden Life of the Cell

An amazing visualisation of the cell's structure, and how DNA works within it.

Skin cells in research | Science In Action

Spec references J247: . Growing skin for patients, using keratinocyte cells from the patient so that the skin is not rejected.

The Identification of the Cell Nucleus | The Cell

How Robert Brown used the microscope to notice, identify and describe the nucleus, and discover its ubiquity in cells.

What makes up a cell? | Short Circuit

A computer simulation of a cell allows us to see the structure of a cell close-up.