"Radioactive isotopes are commonly portrayed as providing rock-solid evidence that the earth is billions of years old.
"Since such isotopes are thought to decay at consistent rates over time, the assumption is that simple measurements can lead to reliable ages.
"But new discoveries of rate fluctuations continue to challenge the reliability of radioisotope decay rates in general—and thus, the reliability of vast ages seemingly derived from radioisotope dating."
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HERE'S THE LINK TO Fluctuations Show Radioisotope Decay Is Unreliable