Before the modern luxury of toothpaste could be squeezed from convenient plastic tubes, our ancestors used various unique methods to maintain dental hygiene. Historical societies valued clean teeth, ...

Ground-up oxen hooves, fish bones and oysters shells made up some of the world’s earliest such pastes. See how much has ...

Go back in time to ancient Egypt. Thousands of years, in fact. Their influence on modern life can be seen in our language, art, engineering, and more. Gain a new appreciation for ancient Egyptian ...