Before we start talking about tiger shark teeth, get to know the shark that these teeth come from. Tiger sharks, like many other shark species (but not all of them), are solitary creatures. They tend ...

Sharks are the most feared predators in the sea, and their survival hinges on fearsome teeth that regrow throughout their lives. But changes in the ocean's chemistry could put those weapons at risk.

In today's video we are hunting some VERY rare sediments for Florida. These sediments are Late Oligocene to Early Miocene in age (around 22-24 million years old or so!) and they hold the ancestor to ...

A group of German scientists tested the effects of a more acidic ocean on sharks' teeth and found that future generations of ...