Here, we’ll explore the inside of the duck’s mouth and learn more about their bills and what they use them for. Then, we’ll check out their gizzard and find out just why ducks eat rocks. We’ll go over ...

A new study of two-million-year-old tooth enamel has revealed surprising genetic diversity in Paranthropus robustus, a ...

For nearly a century, scientists have been puzzling over fossils from a strange and robust-looking distant relative of early ...

The conodont Wurmiella excavata was said to have had razor-sharp structures that processed prey from left to right, rather ...

Fluoride varnish should be painted on your teeth by someone who has been trained to do so. Mouth rinses Fluoride mouth rinses or mouthwashes prevent tooth decay in people who are at risk for the ...