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.
Deanâs mother died in 1975 at 95, her brother died in 1992 on the 80th anniversary of the sinking of the Titanic, he was 81. Millvina Dean was possibly the youngest survivor on the Titanic and her death marks the death of the last Titanic survivor.