- Carbon Dating Gets a Reset - Scientific American
- Willard Libby, Radiocarbon, and Carbon Dating - DOE/OSTI
- Showing Their Age History Smithsonian
- BBC - History - Ancient History in depth The Story of Carbon Dating
DATING SOMEONE YOU KNOW IS BAD FOR YOU
Carbon Dating Gets a Reset - Scientific American
Radiocarbon decays slowly in a living organism, and the amount lost is continually replenished as long as the organism takes in air or food.
Willard Libby, Radiocarbon, and Carbon Dating - DOE/OSTI
Once the organism dies, however, it ceases to absorb carbon-14, so that the amount of the radiocarbon in its tissues steadily decreases.
Showing Their Age History Smithsonian
Carbon-14 has a half-life of 5,730 ± 40 years— during the succeeding 5,730 years.Various geologic, atmospheric and solar processes can influence atmospheric carbon-14 levels.
BBC - History - Ancient History in depth The Story of Carbon Dating
Because carbon-14 decays at this constant rate, an estimate of the date at which an organism died can be made by measuring the amount of its residual radiocarbon.
Carbon dating timeline:
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