Chemical substance can be transmuted into another element through a nuclear reaction. This is so, because all of the atoms in a sample of an element have the same number of protons, though they may be different isotopes, with differing numbers of neutrons. As of 2012, there are 118 known elements, about 80 of which are stable – that is, they do not change by radioactive decay into other elements. Some elements can occur as more than a single chemical substance (allotropes). For instance, oxygen exists as both diatomic oxygen (O) and ozone (O). The majority of elements are classified as metals.
There's More Than One of Everything There's More Than One of Everything "There's More Than One of Everything" is the finale of the first season of the American science fiction drama television series "Fringe". The finale followed David Robert Jones' (Jared Harris) attempts to open a doorway to the parallel universe, while the Fringe team tries to stop him. It ends with FBI agent Olivia Dunham (Anna Torv) discovering a startling secret about Massive Dynamic founder William Bell (Leonard Nimoy). The episode's story was co-written by Akiva Goldsman and Bryan Burk, and the teleplay was co-written by Jeff Pinkner and J. H. Wyman, while Brad Anderson