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.
The Titanic sunk on April 14, 1912 while sailing to New York after striking an iceberg. Out of the 2,223 people on the ship during the trip, only 708 people survived. Many of the people who survived the tragedy were children, women and first and second class guests. The estimated number of deaths from the first class, second class and third class were 130, 166 and 536 respectively.