Great post. I've often found it interesting how other animals seem to have other 'senses' that we don't have access to. Our cats and dogs clearly have a better sense of smell than we do. Dogs can 'smell' fear. Cats can sniff around and tell if another cat has been in his territory. Ants can smell other ants and the trail to determine where to go. Insects and other creatures can see a larger or different swath of the EM spectrum. If you've owned a cat, they clearly sense things we do not. They sometimes stare at blank space or walls. What do they see?
What if our senses are limited and there is more out there that we cannot comprehend outside of our senses of sight, sound, taste, touch, and smell? Our science would be quite limited in that case because humans only probe where we have thought to, based on our perhaps unique and limited senses.
Cats can see ultraviolet. :)