Some natural elements are unstable. Therefore, their nuclei disintegrate or decay, thus releasing energy in the form of radiation. This physical phenomenon is called radioactivity and the radioactive ...

Some natural elements are unstable. Therefore, their nuclei disintegrate or decay, thus releasing energy in the form of radiation. This physical phenomenon is called radioactivity and the radioactive ...

In 1913, before he even earned his doctoral degree, he proposed the first geological time scale, based on the fairly recently discovered phenomenon of radioactivity. Using his quantititive time ...

Curie’s meticulous research demonstrated that these elements emitted radiation, a phenomenon she termed “radioactivity.” In 1903, Marie and Pierre Curie, along with Henri Becquerel ...

A new study has found that nuclear weapons tests during the Cold War are a major cause of high levels of radioactivity in central Europe's wild boar population. The radioactivity found in wild ...

The radiation of high-energy protons in the South Atlantic Anomaly can cause a satellite, such as the International Space ...