All night, every time you breathe out, carbon atoms take off into the night air. Each carbon atom weighs a tiny fraction of a gram. But every breath expels roughly ten billion trillion atoms, so you wake up a pound lighter.
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.
In the wake of the Dec. 14 massacre at Sandy Hook Elementary School in Newtown, Conn., 3-D printer manufacturer MakerBot Industries has removed files for 3-D–printable guns from its user-generated design database Thingiverse.
Shankar is totally in his element when he performs — sitting on his oriental rug, sitar nestled in his lap, the air scented with incense, he appears lost in a trance.
Shankar is totally in his element when he performs — sitting on his oriental rug, sitar nestled in his lap, the air scented with incense, he appears lost in a trance.
Shankar is totally in his element when he performs — sitting on his oriental rug, sitar nestled in his lap, the air scented with incense, he appears lost in a trance.