Potassium 40, the main source of radioactivity in our bodies, has a half-life of 1.42 billion years. Types of Radiation The term "radiation" is very broad, and includes such things as light and radio ...

On each side of the badge are various 'windows' - numbered 1-6 in the picture above. The open window allows all types of radiation through, therefore showing exposure to Beta and Gamma radiations.

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 ...

Huntsman Cancer Institute Radiation Oncology treats cancer patients who need radiation therapy. This type of treatment is designed to shrink tumors and kill cancer cells. About half of all cancer ...

This process, whereby species evolve rapidly to exploit empty ecospace, is known as adaptive radiation ... the process that had created so many types of finches that differed mainly in the ...

Intensity Modulated Radiation Therapy. This advanced type of radiotherapy uses a computer-controlled device, called a linear accelerator, to deliver precise doses of radiation to tumors or specific ...