‘There is a corrosion effect on sharks’ teeth,’a study’s author said ...

At first glance, teeth look a lot like bones: Both are hard, white and rich in calcium. So why aren't teeth considered part of the skeletal system? Even though teeth and bones share a few basic ...

A great white shark is a masterwork of evolutionary engineering. These beautiful predators glide effortlessly through the water, each slow, deliberate sweep of the powerful tail driving a body ...