A smart man

A TV journalist has been struck.
Therefore, even the temperature of the water is not important to the batiskafu for diving, whether it is a plus or a minus.
I think: she did not teach physics in school, she was a fool, such a tough batiskaf, which will even sink into the ice.

Batiscafs, mostly, do not swim in the Baikal, but in the seas-ocean, where the water is salty. The freezing temperature of salt water is lower than that of fresh water.
I would have studied better, I would have known.