During the dive, which takes up to four hours due to the high density of the water (it is filled withcertain chemicals plus air pressure to simulate the circumstances found in space), the cosmonauts in training practice space walking -- and may lose a few kilos off their waist line in the strenuous process.
On the other, a perceived pressure on editors to win audiences - with the result that a certain confusion may have taken root about which was the right road to follow.