Nicole Kidman's teeth transformation has been highlighted in before-and-after photos as experts reveal what they think she's ...

The team of pioneering Japanese researchers, led by Katsu Takahashi, is making remarkable strides toward developing a drug ...

Following is a transcript of the video. Narrator: Lions have them, hippos have them, and even you and I have them: canines, those long, pointy front teeth. They're actually the longest teeth in ...