Question of the day

Выбрать дату
Сентябрь 2023
Июль 2023
Июнь 2023
Март 2023
Февраль 2023
Январь 2023
Декабрь 2022
Спецпроект
Question of the day: Will the Earth's magnetic poles change in the nearest future?
The last time such a phenomenon happened on our planet more than forty thousand years ago, its consequences were severe, but not catastrophic.
Ноябрь 2022