Teeth are good for chewing and biting, but they are also sensitive – and that may have been their original function hundreds of millions of years ago ...

Anyone who has ever squirmed through a dental cleaning can tell you how sensitive teeth can be. This sensitivity gives important feedback about temperature, pressure—and yes, pain—as we bite and chew ...

Predatory fish such as tuna, marlin, shark and swordfish tend to accumulate in their tissues any mercury in their diet, leading to higher concentrations of the heavy metal than in other fish. Until ...

Researchers from Harvard have created an artificial fish that can swim on its own. And it’s all thanks to tissue from a human heart. Just on its own that sounds pretty fascinating. However ...

New research has transformed scientists' understanding of how spectacular fossils with delicate soft tissues form ... the chemistry inside a decaying fish and map the pH levels of its internal ...

Scientists think that the key to this ability is magnetite, the most magnetic of all minerals, which they've found embedded in bird and fish tissues. They've even narrowed down which tissues in ...

As such, fish appear to trade an ancient ability to regenerate tissue easily for a new-found way of enhancing reproductive success. This valuable information could help scientists begin to explain ...