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. The hormone once associated with hugs and trust is now at the forefront of research on ...

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 ...

Most people naturally breathe through their noses almost all the time. Humans evolved this way as a survival technique — it allows us to keep breathing as we eat with our mouths, reducing the risk of ...