The time it takes for a shark use and lose each tooth varies, depending on the species and age. Younger sharks replace their teeth more often. There is also some evidence that sharksâ teeth last significantly longer during colder water temperature in some sharks, a time when they traditionally eat less.
Last Titanic survivor, a baby put in a lifeboat, dies at 97. Millvina Dean taken ill with pneumonia in England, after Hollywood stars DiCaprio and Winslet came to her aid. Millvina Dean, the last living survivor of the Titanic disaster, with a painting of the vessel. Photograph: John Stillwell/AP.
A Kennedy Babyâs Life and Death. President John F. Kennedy at Boston Childrenâs Hospital where his son Patrick died on Aug. 9, 1963, just 39 hours after being born 5 1/2 weeks premature. At the time, medicine had little to offer premature babies with respiratory distress. Credit Paul Slade/Paris Match, via Getty Images.