Add Yahoo as a preferred source to see more of our stories on Google. “This is the first time that a person described in these historical texts has actually been found,” Michael D. Martin, a study ...

Teeth can lose their brightness over time, even with consistent brushing. Staining can come from genetics or from everyday ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Tin container with inscriptions that ...

Please repeat the proportions of salt and soda for the tooth-brushing powder. I've used it for a long time but have misplaced the "recipe." Don't use a plastic blender container because it could be ...

A 3,600-square-foot house in San Francisco is on the market for $5.5 million. The home is located inside a former laundry and tooth powder warehouse. It has two shipping containers inside that have ...

Anyone who wants to reduce their carbon footprint knows that sometimes even a small change in habits can make a big impact. The best zero-waste toothpastes come in a variety of effective forms — from ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Small wide-mouth glass jar with ...

The $80 million U.S. dentifrice industry was as fidgety last week as a colony of Lactobacillus acidophilus milling around in a test tube. Its chemists, prodded by sales executives, were feverishly ...

If you were shocked by the hundreds of thousands of microplastics we swallow when we chew gum, you’re in for another spook. New research is revealing that dozens of common toothpaste brands are ...

A healthy smile starts with the right toothpaste—but why settle for harsh chemicals when nature has your back? From ...

Even with regular brushing, teeth can become stained from genetic factors or consuming foods and drinks like tomatoes and coffee. Chemical whiteners can help, but they can also damage teeth in the ...

Researchers developed a powder that activates with electric toothbrush vibrations to whiten teeth safely and strengthen enamel.