Imagine selecting a hundred random people who do not know how to stay afloat and placing them on a deep pool. Most would expect the fat and heavy to sink while the fit stay afloat. The heavier rock, after all, does sink faster than a lighter one. But in reality, the fit and muscular group would be struggling just to keep their nose out of the water while the obese and heavy are comfortably afloat. Why did this happen? This paper explores the reason behind this and other examples while explaining how swimming is possible.
The human body's weight is 70% water. …
