Unit 1: The Cell

It took several scientists building on each other’s discoveries to come up with Cell Theory - one of the cornerstones of biology.

Learn how chemistry and genetics makes redheads stand out from the crowd.

Mitosis is an important part of cell division that helps organisms grow and repair themselves.

Plants need to exchange gases and water with their environment as part of photosynthesis. Some plant cells have evolved specifically for this purpose.

How do the green leaves of summer change to vibrant colours in fall? Explore plant pigments in this chromatography activity.

When you cut your finger, your immune system kicks in to protect you from pathogens.

Astronauts can experience bone loss in space. To understand why, you need to know a bit about how bones are formed and maintained in your body.

Do an experiment with celery to learn about the structures that help plants take up water.

You can make your own terrarium for growing plants!

How do plants use scents? Learn how some plants use chemical signals to send messages to animals or other plants.

Green walls use plant processes to improve air quality in buildings.

When the cells of Henrietta Lacks were collected by medical researchers after her death in 1951, it changed the future of medicine.

This backgrounder explains the different ways that cells repair damage to DNA.

When fertilizers from agriculture get into lakes and rivers, big problems can result for aquatic ecosystems, food chains & webs!

When a person has cancer, CAR-T Therapy uses their own cells to destroy the cancer cells in their body.