These nuclei undergo change spontaneously, that is, without outside help. When unstable nuclei undergo change they give off radiation. Atoms which have unstable nuclei are radioactive and are called ...

For example, the half-life of Iodine 131 is eight days, but for Uranium 238, which is present in varying amounts all over the world, it is 4.5 billion years. Potassium 40, the main source of ...

The half-life of radioactive carbon-14 is 5,730 years. For example, if a sample of a tree (for example) contains 64 grams (g) of radioactive carbon, it will contain 32 g after 5,730 years and 16 g ...

Her groundbreaking work in radioactivity laid the foundation for numerous advancements in science and medicine. This blog post explores the life and legacy of Marie Curie, highlighting her ...

In 1903 Marie and Pierre seemed to be on the verge of a radiation revolution ... or the events of her subject’s life; it’s those women of science whose lives intersected with Curie’s ...

Despite the risks, Curie's findings in science, especially in medicine ... Tragic end of Marie Curie’s life and radiation that remains On 4 July 1934, Marie Curie died from a rare lethal blood ...