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.
Louise Patten, whose grandfather was the only surviving officer on the Titanic, reveals the truth about how it sank. 1  Louise Patten, whose grandfather was the only surviving officer on Titanic, has revealed the truth about its sinking Photo: JEFF GILBERT. 2  The luxury liner Titanic leaves Southampton, England, on her maiden voyage April 10, 1912.