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Egg Timer: Separate Biological Clocks Govern Female Fertility and Life Span

As a biological feat, it was the equivalent of an 80-year-old woman giving birth: Because of a mutation, Coleen Murphy's worms were still fertile and laying eggs right up until the end of their lives. The worms' impressive performance adds weight to the evidence that the biological clock that rules reproduction is separate from the one that grants us the traditional threescore and 10. [More]

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