20-November-2022 Sunday
Insurance math...
16-June-2022 Thursday
Nostalgia
30-January-2019 Wednesday
How to finish off a child with burns.
08-June-2018 Friday
Friday!
20-May-2018 Sunday
Pretending.
14-May-2018 Monday
A challenge for elementary school students in Britain.
06-April-2018 Friday
Caliber matters. What is the Russian supergun "Malka" capable of?
10-March-2018 Saturday
New York, income and expenses on the example of a family of state employees.
26-January-2018 Friday
Paying by card, why is it sometimes more expensive to pay
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