Radioactive Decay

Radioactive Bananas

Because a small percentage of potassium consists of an unstable isotope, bananas are technically a radioactive food. However, you would have to eat around five million bananas to experience radiation sickness.

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Key Facts In This Video

  1. If the human body is exposed to more than two sieverts of ionizing radiation at once, it will die. 00:50

  2. As an airplane gains altitude, the level of radiation inside the plane increases. 05:07

  3. The lungs of smokers are exposed to more ionizing radiation than people living near Fukushima, radiation workers, and astronauts. 09:57

Written by Curiosity Staff June 11, 2015