theories on mermaids

Mer-physics: How real-life mermaids would experience the world

Esther Inglis-Arkell — We all know that mermaids can perform underwater musical numbers. But how would a real-life mermaid sing underwater? And hear music? Find out in our guide to underwater physics for mermaid chasers.Above the surface of the water, merfolk sense things the same way humans do. They see through human-enough eyes, and hear sound propagated through air. But once they're under the waves, how do things change for them? In movies and stories, they still seem to function like humans. But in reality (as it were), they wouldn't be picking up the same signals - or transmitting them the same way

Read rest here : http://io9.com/5801739/mer+physics-how-real+life-mermaids-would-experience-the-world

(This  is from the http://www.underwatertimes.com/ a great place to read anything to do with the oceans and marine creatures.)