Ever wonder why sharks have so many differently shaped teeth or why they keep regrowing throughout their lives? Dr. David ...

A new study proposes that the massive ancient shark was built more slenderly than a great white. But not all paleontologists ...

though I understand the temptation given the remarkably large size of the baby sharks," he said. "We have geological evidence of multiple nurseries—not just small teeth, but also geological ...

Most children have a full set of 20 milk or baby teeth by the time ... great whites can produce around 100,000 teeth throughout their lifetime. Some species of sharks produce a new set of teeth ...

(Graham Thompson/CBC) A Saint John auction house has opened online bidding on a collection of megalodon shark teeth that are millions of years old. Sarah Jones, curator at Jones Auction House ...

Three children show and discuss their wobbly teeth. They visit an aquarium and find out about sharks’ teeth before talking about the differences between shark and human teeth. Students could be ...

1:48 Shark teeth said to be millions of years old up for auction Sarah Jones, a curator at Jones auction house in Saint John, said the teeth are already drawing significant bids, some exceeding ...

Turns out, the palm-sized tooth belonged to an animal that died at least 3.5 million years ago: an Otodus megalodon shark ... not get the impression that teeth like this one are common along ...