know the characteristics and niche of the fossa. understand the adaptations of the fossa that make it a successful carnivore. describe and compare the fossa to several different carnivores that have ...

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 ...

The mouth starts the digestion process by breaking food down into a more easily digestible form. It does this through a combination of mechanical and chemical digestion. After people take food in ...

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 ...