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.
It was the last thing he ever said to her, and she never saw him again. Later that night, wide awake and clinging to her mother in a lifeboat, the little girl watched as the Titanic rose straight up on her bow and plunged to the bottom of the sea, carrying her father and more than 1,500 other passengers and crew members to their deaths in the North Atlantic.