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.
By Greg Daugherty. The sinking of the Titanic claimed some 1,500 lives, among them a gallery of early 20th-century A-list celebrities. Captains of industry John Jacob Astor IV and Benjamin Guggenheim both went down with the ship, as did Macyâs co-owner Isidor Straus and his wife, Ida, who refused to leave his side.