+**Carbon 14** is a [radioactive](/wiki/radioactive) isotope of [carbon](/wiki/carbon), continuously created in Earth's upper atmosphere. Its precise decay rate allows scientists to determine the age of organic materials up to 50,000 years old, a vital technique in [archaeology](/wiki/archaeology).
+## See also
+- [Isotope](/wiki/isotope)
+- [Half-Life](/wiki/half_life)
+- [Radiocarbon](/wiki/radiocarbon)
... 1 more lines