Carbon-14 by the C urea breath test, which has no radiation issues. Carbon-14 Carbon-14, (C), or radiocarbon, is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons. Its presence in organic materials is the basis of the radiocarbon dating method pioneered by Willard Libby and colleagues (1949) to date archaeological, geological and hydrogeological samples. Carbon-14 was discovered on February 27, 1940, by Martin Kamen and Sam Ruben at the University of California Radiation Laboratory in Berkeley, California. Its existence had been suggested by Franz Kurie in 1934. There are three naturally occurring isotopes of carbon
Isotope 244 expected release date in the fourth quarter of 2012. Isotope 244 Isotope 244 is a video game developer, based in the USA. It was founded by James Bryant in 1999. Isotope 244 is best known for developing retro remakes and real-time strategy genres for both desktop and mobile devices. Isotope 244 was also a leading developer of 3D screensavers in the early 2000s. The company received several mentions for its retrogaming and real-time strategy games, above all on portable platforms. IP Atomic Cannon Pocket was a notable turn-based strategy game available on the Pocket PC. It was the top selling