A good deal of attention is now being given to the probable origin of radium. Whether the element, while still intermingled with other substances in the ores in which it is found, undergoes change ...

Before the advent of radium, geologists had not recognized the difficulties presented by the peculiar chemical constitution of the earth's crust. Radium did not create this difficulty, but has ...

A picocurie is about a trillionth of a gram of radium. According to the Centers for Disease Control, most people are exposed to small amounts of the radioactive element in everyday life ...

It is believed that the lexicographers at Oxford were working on the fascicle ‘R’ to ‘Reactive’ at the time when the Curies coined the term “radium” for the element that they had newly ...

As part of an experiment with x-rays in 1909, Rutherford was shooting a beam of alpha particles (or alpha rays, emitted by the radioactive element radium) at a sheet of gold foil only 1/3000 of an ...