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porkchop_d_clown (39923) writes "When Hendrikje van Andel-Schipper died in 2005, she was the oldest woman in the world. Today New Scientist is reporting that, at the end of her life, most of her white blood cells had been produced by just two stem cells — implying the rest of her blood stem cells had already died, and hinting at a possible limit to the human life span." Link to Original Source
The perversity of nature is nowhere better demonstrated by the fact that, when
exposed to the same atmosphere, bread becomes hard while crackers become soft.