Here they are: Phonons.
They explain a lot all on their own, about how we connect with each other and how our beings are able to vibrate in tune with each other - however you want to apply that analogy, whether it's just among friends or across the scale of the whole world. Doesn't matter, really. Phonons let us feel and hear as photons let us see.
Clicking on the picture will take you to a quantum soup of scientific interest where UV light gets a look-in, for once.