Carbon-14 Dating - What Do We Know?   or   index.html

Lewis and Clark Expedition, also known as the Corps of Discovery Expedition

Schultz Saddle and "The Fort" Prehistoric

Why does carbon dating detect when things were alive? How are
the atoms in living things any different from the atoms in
dead things?



Carbon-14 Dating

Wikipedea | Carbon-14

  The primary natural source of carbon-14 on Earth is cosmic
  ray action on nitrogen in the atmosphere, and it is
  therefore a cosmogenic nuclide. However, open-air nuclear
  testing between 1955-1980 contributed to this pool. 


The Cosmic Story of Carbon-14