Everything is in your head. Extreme tests of the capabilities of the human body and reason. Scott K.

People like comfort. Hard - turn on the air conditioner. Cold - heating. Before Carney got to the HOF course, he also believed that this was normal. Then he did not understand that this was the beginning of a four-year trip to reveal his evolutionary potential.

from hyperventilation in a dilapidated Polish house to an underwater lifting weight in California, a 28-hour rise to Kilimanjaro in shorts and sneakers or survival at heat more than 40 degrees. Athletes, coaches and scientists - all helped to study the transformation of the body outside the comfort zone.