These days, all fish have teeth. The shapes of their teeth vary according to diet, ranging from the little pegs of goldfish to the formidable, pointed teeth of sharks. But fish evolved from toothless ...

The human body is remarkably good at handling repairs. Cut the skin, and the blood will clot over the wound and the healing process begins. Break a bone, and the body will knit it back together as ...

Losing a tooth can be a frustrating and costly experience. Current solutions like dentures and implants can be expensive, uncomfortable, and require ongoing maintenance. But what if we could regrow ...

Teeth on display at the Wellcome Collection, London. — Image by © Tim Sandle. Teeth on display at the Wellcome Collection, London. — Image by © Tim Sandle ...