How to check the shelf life of eggs?

YYY: It is easy. Press in the palms and bring to the light source in a dark room (and at least to the desk lamp) if the air chamber is dull, with a cup (10-50) - then the testis is fresh, dietary, if a little more ruble this emptiness in the dull end of the egg - then the egg 10 days. And if when cooking, you cleaned the egg and almost a third of the egg - emptiness - this egg is more than 2 months... There are special tables to determine the age of eggs by the height and diameter of the air chamber.

zzz: Very relevant in the store/market

Why do you have an iPhone light?

yyy: There would be another program immediately to compare with the table and the voice of a popular TV host (V.V.P.) He said, “We thought here and decided that these eggs were 100 years old.