All types of radiation become less intense as they travel further away from the radioactive material. This is because the particles or rays become more spread out. The thicker the substance, the ...

The important things you need to know about radiation are covered in these two e-learning modules on Radiation. The first module provides a basic understanding about radiation - what it is, where it ...

Electromagnetic waves are members of a family of waves with common properties called the electromagnetic spectrum. The electromagnetic spectrum is a continuous range of wavelengths. The types of ...

Radioactivity is a part of our earth - it has existed all along. Naturally occurring radioactive materials are present in its crust, the floors and walls of our homes, schools, or offices and in the ...

Chemotherapy and radiation therapy are both treatments for cancer – the uncontrolled growth and spread of cells to surrounding tissues. Chemotherapy, or “chemo,” uses special drugs to shrink ...

If you have cancer, you might see a doctor who specializes in radiation oncology. It's an area of medicine that uses "radiation therapy" -- a treatment that focuses high-energy waves on your body ...

There are now at least 13 species of finches on the Galapagos Islands, each filling a different niche on different islands. All of them evolved from one ancestral species, which colonized the ...

Our radiation oncologists use the latest technology available for radiation therapy. It’s important to understand how radiation therapy fits into your treatment plan so you can make choices about your ...

Stereotactic body radiotherapy is a type of external targeted radiotherapy. The machine aims radiation beams from different positions around the body. This means the tumour gets a high dose of ...