In a groundbreaking discovery, physicists at the University of California have recently identified the decay of the rarest isotope in nature. The isotope, known as californium-253, has a half-life estimated to be around 1.2 million years. This is a remarkable finding, as californium-253 is the longest-lived isotope of any element ever observed. The research team was able to observe the decay of the isotope through the use of advanced particle detectors, which allowed them to capture the energy released during the decay. The results of their findings could have significant implications for the study of nuclear physics and astrophysics.

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source: Phys.org