The animal kingdom is no stranger to astonishing abilities, including the remarkable power to regenerate lost or damaged body parts.

Animal teeth serve purposes beyond eating. Sperm whales use teeth to grip prey. Narwhals possess a unique tusk for competition.

When you consider animals that have a lot of teeth, sharks are likely to be the first ones that come to mind, since they can grow ...

New research shows that conodonts, extinct eel-like marine animals, possessed tooth elements sharper than those of any living ...