Bomb Carbon-14 in Human Beings

Science  07 Aug 1959:
Vol. 130, Issue 3371, pp. 331-332
DOI: 10.1126/science.130.3371.331-a


The concentration of bomb-produced radiocarbon in human beings will lag behind the rising concentration in average atmospheric CO2. Measurements on human materials suggest a lag of about 1 year for both breath CO2 and blood, with the suggestion of a somewhat higher value for lung tissue. These results are in reasonable agreement with predictions based on independent evidence.