I have read that turtles can breathe through their bums. Is this true, and if so, why did they evolve such a talent and what are the mechanics of this trick? How turtles breathe, how they pull in ...

You’ve most likely heard of the rib cage. Everyone has one, but what does the rib cage do, exactly? The rib cage is also known as the thoracic cage, and the primary rib cage function is to protect the ...