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 video of titanic survivors. The Titanic passengers ranged in age from 71 years to 73 days. The two oldest women, Mary Compton and Catherine Crosby, both aged 64, survived. The three oldest men, Ramon Artagaveytia, George Goldschmidt and Henry Mitchell, all aged 71, did not.