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Do Dolphins’ Teeth Help Them Hear Underwater?
While the average person has 32 teeth, some species of dolphin possess as many as 240. Why so many? Not all species are quite so lucky – Risso’s dolphins only have four to 14 in their lower jaw.
Incredible 23ft long 9-million-year-old ancestor of great white shark with huge flesh-tearing teeth discovered in Peru
AN INCREDIBLE nine million year old ancestor of the great white shark has been discovered in Peru. The 23ft long beast had ...