Carbon-14 Used to date once-living materials. Every living organism contains the radioisotope carbon-14. Carbon-14 is formed when neutrons from cosmic radiation collide with nitrogen atoms in our ...

The flux of carbon to the deep ocean can be measured directly by collecting sinking particles (living and dead microscopic organisms, faecal matter) in sediment traps, and indirectly using ...

IN the course of investigations with radioactive isotopes in this Department ... and Hevesy 2 has reported the escape of carbon-14 from exposed samples of barium carbonate. Anomalies have also ...

Stable and radioisotopes can be used to develop technology packages that assist Member States ... a greenhouse gas with a global warming potential 300 times larger than that of carbon dioxide, ...