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.
Whale found dead on cruise ship bow. A cruise ship returned from a wildlife viewing tour off the coast of North America with the corpse of an endangered whale wedged on its bow. The 2,670-passenger ship Sapphire Princess docked in Vancouver with the rare fin whale, a threatened species in Canada, still stuck to its hull.