Science
One of the great revelations of 20th century science is that all existence can be broken down into simple wave functions. Every photon, energy emission, and elementary particle rings with its own unique wave signature. When we see a color, we are actually seeing a distinct frequency of visible light.
Culture Vaults : Resonant Frequencies and the Human Brain
The universe can be a very strange place.
10 Strange Things About The Universe - Top 10 Lists | Listverse