About 150 million years ago, in a coastal lagoon in what is now southern Germany, the oldest known bird gobbled up food with a beak built for efficient eating. It’s finely tuned mouth anatomy, ...

A high-resolution microscope reveals the intricate inner structure of the blood-sucking tsetse fly’s saliva tube. The hormone once associated with hugs and trust is now at the forefront of research on ...

The soft palate is the muscular part at the back of the roof of the mouth. It sits behind the hard palate, which is the bony part. The palates play important roles in swallowing, breathing, and speech ...

A high-resolution microscope reveals the intricate inner structure of the blood-sucking tsetse fly’s saliva tube. A series of rodent experiments showed that even with abundant food and water, personal ...

Figure 2: Corals lose their mouth structures when brachyury is inhibited. This figure depicts a coral embryo with fully functional brachyury on the left and a coral embryo containing the inhibited ...