According to a study published in the journal ACS Nano, researchers at the Chinese Academy of Sciences have developed an alternative solution that not only whitens teeth, but repairs them, too.

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We live in a time when almost everything is smart. Thanks to technological advances, there are now smarter devices than ever before in great variety. These include smart lamps, smart fans, smart ...

Content is created by CNN Underscored’s team of editors who work independently from the CNN newsroom. When you buy through links on our site, we may earn a commission. Learn more While kids may not ...

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The Bitvae R2 Rotating Electric Toothbrush offers everything you need for excellent oral hygiene, without the eye-watering price tag. Why you can trust Live Science Our expert reviewers spend hours ...