Adaptation of birdcage plant, puffball and star fungi

How can air be used to disperse seeds and spores?

Cell division by mitosis and meiosis

An explanation of the process of cell division by mitosis and meiosis.

Components of an animal cell

An animal cell is built showing the role of the membrane, nucleus and cytoplasm.

Erections and wet dreams

Professor Robert Winston describes what happens in the body when a man gets an erection.

Hormones and puberty

Robert Winston explains the dramatic changes that take place in our body during puberty.

Identical twins and cloning

The story of twins separated at birth is used to explain clones and cloning.

Ovulation

Presenter Robert Winston describes the process of ovulation in humans.

Stem cell research and medicine

What is stem cell research and how can stem cells be used in medicine?

The changes that occur during the menstrual cycle

Professor Robert Winston describes the journey an ovum takes following ovulation.

The inheritance of eye colour

The combination of paired genes is used to explain the inheritance of eye colour.

5 learner guides

We have a selection of learner guides