Reproduction

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.

Cloning makes it possible to bring extinct species back to life. But is that a good idea?

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

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

A study on bird feeders and beak sizes shows how an everyday human activity can affect the evolution of another species.

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

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

Some dung beetles use alternative reproductive tactics to increase their chances of finding a mate. Learn what this tells us about evolution and biodiversity.

Be a biochemist! Learn how to extract DNA from an onion and find out what DNA looks like.

8 images of some flowerheads such as roses and water lilies whose outer petals are longer than the petals in the centre of the flower

3 images of some asymmetrical flowerheads such as an iris and an Orchis Sima or Monkey Orchid

7 images of some symmetrical flowerheads such as asters and sunflowers whose petals radiate from the centre of the flower

5 images of some flowerheads such as petunias and lilies that start as a narrow base and widen to an open shape

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!