This type of metabolism is really unheard of among mammals, there are some fish that have similar tricks... but they are also an exception. It really broadens our mind in terms of what evolution can do -- how metabolic pathways can adapt. Michael Berenbrink More Quotes by Michael Berenbrink More Quotes From Michael Berenbrink This is a fantastic piece of work, this type of metabolism is really unheard of among mammals. Michael Berenbrink top-news