Unit 1: Cell Reproduction and the Continuity of Life

This backgrounder explains the potential effects of radiation on the human body.

Learn about pollination and other forms of sexual reproduction in plants. And did you know that plants can also reproduce asexually?

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

We all know someone who has been affected by cancer. What causes cancer? Why is it getting more common?

Many people have had children using assisted reproductive technologies. But some of these medical biotech techniques can raise some ethical issues.

Errors during meiosis can alter the number of chromosomes in cells and lead to genetic disorders.

In April 2016, Let’s Talk Science volunteer Daniel Tarade donated stem cells to help a person who needed a stem cell transplant to survive. Learn what stem cells are, how and why people donate, and what Daniel’s experience was like.

6 images of some seedlings sprouting as one of the stages towards full plant growth

6 images of some seeds which are the fertilized part of a plant used for germinating new plants such as fennel, kiwis and pumpkins

Learn how e-cigarettes and other vaping products work, and why scientists and health professionals have concerns about their safety.

Gamma rays might make you think of cancer, harmful radiation or superheroes. But gamma rays have lots of uses: food safety, manufacturing and even medicine!

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

Bees are important for agriculture. But bee populations face threats. This resource looks at Colony Collapse Disorder, herbicides & pesticides, and more.