The main materials of "MK" - read in the last issue: A kooky problem: As part of the Russian Olympics, a third grade student was asked a question in Yiddish "You can ask for an increase of 26%, but be careful": what happens to wages in the labor market Space package for the Pentagon: what is behind the technology of the US orbit An underground "methane reactor" was found: it is "powered" by bacteria at a depth of 3 kilometers Snake wheel: scientists understood the way that dwarf The barrel "ran" Tragedy in Spain: a 30-year-old Tenerife footballer died after being hit by a knee.