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.
Barbara Dainton was the second-to-last remaining survivor of the sinking of the Titanic when she died at the age of 96 on October 16, 2007. Dainton was born in May 1911 and was 11 months old when the Titanic sailed. She was a second-class passenger and was rescued in Lifeboat 10.