Will Jeanne be a champion forever?
The French lady Jeanne Calment [1875-1997], who lived in Arles, holds the current world record for longevity : 122 years. But old age records are not exactly rocket science, and older contenders may have existed, or continue to exist, for this record. Jean-Louis Serre , a French professor of genetics, wonders here whether it might be impossible for humans to live any longer than that.