Rachel Carson’s “Silent Spring” connected disappearing populations of bald eagles to the presence of the pesticide DDT in the ...

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 ...

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 ...

2. 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 ...