HSG testing is a common practice in the fertility world. Why don’t women know what they’re actually getting into? WITH MY ...

HSG testing is a common practice in the fertility world. But many women aren't prepared for the pain. Doctors break it down, ...

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 ...

Some male “ghost sharks” have a bizarre way of giving love bites: They use teeth that sprout from their foreheads. These otherworldly animals, also known as spotted ratfish, can grab onto mates using ...

The discovery proves it's possible for vertebrates to grow teeth outside the mouth Getty A new study discovered male ghost sharks grow teeth out of their foreheads on an appendage called a tenaculum ...

Researchers have discovered that male spotted ratfish, a type of ghost shark, possess teeth on their foreheads used for grasping females during mating. This challenges the traditional understanding ...

A juvenile spotted ratfish. These deep-sea fish are named for their long, rat-like tails. Gareth J. Fraser, University of Florida Deep in the ocean, you can find a strange fish with teeth not just in ...

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. The spotted ratfish ...

Researchers studied the male spotted ratfish's tooth-covered forehead appendage, which flares out to ward off rivals and grip onto females. Reading time 3 minutes Spotted ratfish are scaleless, rabbit ...

Scientists studied how the sea creatures, also known as chimaeras or ghost sharks, ended up with one of evolution’s most bizarre appendages. By Jack Tamisiea Life in the ocean’s dark depths can be ...