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Radioisotope dating methods

Theoretically, Creationism remains workable within a wide range of age estimates.

See fission product yield for a comparison with other radioactive fission products.

I-131 is also a major fission product of uranium-233, produced from thorium.

Due to its mode of beta decay, iodine-131 is notable for causing mutation and death in cells that it penetrates, and other cells up to several millimeters away.

For this reason, high doses of the isotope are sometimes less dangerous than low doses, since they tend to kill thyroid tissues that would otherwise become cancerous as a result of the radiation.

We note that at the instant the swimmer touches the end of the pool our wristwatch reads and 53 seconds.

How long has the competitor taken to swim the race?

When I have asked an audience this question they have looked at me incredulously and said, “Starting time?