Teeth and bones are mineralized tissues with similarities, but teeth are not bones. They share similar properties, but differences in their makeup and function set them apart. For instance, teeth ...

Birdwatchers have documented the use of snake skins in nests for centuries and speculated that it occurs more in cavity nests, but no one had tested this theory, said Rohwer, who is also a curator ...

This is because they can enter deep into the airways and tissue of the lungs. The particles can even travel from the lungs to other organs. Acute symptoms of smoke exposure include irritation of the ...