They float. Their bodies are buoyant. However, their feathers quickly become water-logged, lose all insulating properties, and the chicken will die from hypothermia a lot faster than you'd expect. read more
Well, you must understand a principle discovered long ago by Archimedes called Buoyancy. read more
But, just like you can learn to float – you can learn to sink too! Now, when people die, like Miranda has explained their bodies become filled with gas from the action of the bacteria and other organisms that aid in the decomposition of the body. Eventually dead bodies, will sink again, once the air and gas leaves their body though. read more