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radioactive carbon

    0.01 sec.
radioactive carbon.
See tracer.


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He received a Nobel Prize in 1960 for the discovery that organisms possess radioactive carbon that can be used to compute how long ago they lived.
The new test involves drinking a small amount of vitamin B-12 labeled with radioactive carbon 14 (14C) and collecting a single drop of blood.
Age can then be determined by the levels of radioactive carbon in teeth.
 
 
 
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