An illustration from Steno’s 1667 paper comparing teeth from a dissected shark head to a fossilized ... But the fish is still large by human standards; Sues has a set of mako jaws at home ...

This approach is relatively new, Kim says, and scientists can learn a lot from both the shape and chemistry of shark teeth. Like human teeth, shark chompers contain collagen, a type of protein ...

It’s thought this helps the shark to maintain healthy calcium levels. Geneticists are studying how sharks continually produce new teeth to explore if this genetic trait could help doctors grow human ...

These jaws were lined with 276 teeth, and studies reconstructing the shark's bite force suggest that it may have been one of the most powerful predators ever to have existed. Humans have been measured ...

Sharks have ruled the Earth’s oceans for 400 million years and recent research on fossilized shark teeth has led to the ...

Shark bites reached a surprising low in 2024, with only 47 unprovoked incidents worldwide, significantly below the 10-year ...