Radioactive Bananas

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.

11:18

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. (0:50)

  • 2

    As an airplane gains altitude, the level of radiation inside the plane increases. (5:07)

  • 3

    The lungs of smokers are exposed to more ionizing radiation than people living near Fukushima, radiation workers, and astronauts. (9:57)

See all

Radioactive Decay

Climate

Marriage

Volcanoes

Get smarter every day! Like us on Facebook.
You'll get the most interesting and engaging topics in your feed, straight from our team of experts.