Scientists discovered true teeth growing on the head of the spotted ratfish, a distant shark relative. The toothed structure, called a tenaculum, helps males hold onto females during mating. Genetic ...

Ghost sharks have evolved rows of true teeth on a bizarre forehead rod used for mating. Fossil and genetic evidence revealed the tenaculum’s teeth develop the same way as those inside the mouth, ...

To say spotted ratfish are unusual is an understatement. Related to sharks, they abound in the inky dark depths of the Puget Sound. Armed with a venomous fin, they swim gracefully along the sea floor ...

If you’re missing a tooth, you may be a candidate for a dental bridge. That’s an artificial tooth, or pontic, that fills in a gap created by a missing tooth to connect the teeth on either side of the ...

Celebrities and civilians alike are “fixing” their natural teeth. Now everybody has the same smile … and it’s kind of creepy. BEVERLY HILLS, Calif. Have you ever looked at Selena Gomez’s teeth? Like, ...

Beauty calls. In Beauty, Hacked, we test drive the latest skincare, makeup, hair, and wellness tech while exploring the pageantry of beauty on the internet. Dr. Sara Hahn starts every TikTok video the ...

Transforming an actor’s teeth for a TV or movie project, says Tony Gardner of animatronic and prosthetic makeup-effects studio Alterian, Inc., is like a magic trick. No matter how big the literal ...