Pierre Curie joined Marie in the work that she had undertaken to resolve this problem, and that led to the discovery of the new elements, polonium and radium.
Marie Curie decided to find out if the radioactivity discovered in uranium was to be found in other elements. She discovered that this was true for thorium.
At a very basic level, it simply makes many people angry to see elements of a "Big Brother" society, where authorities spy on people wherever they go, in the United States.
At a very basic level, it simply makes many people angry to see elements of a "Big Brother" society, where authorities spy on people wherever they go, in the United States.
At a very basic level, it simply makes many people angry to see elements of a "Big Brother" society, where authorities spy on people wherever they go, in the United States.