In Ukraine, candidates for drone production are being tested using a polygraph test Jun 12, 19:01 News
A future without mines: How Ukraine is building a unique humanitarian demining system Partner project
Sun in a capsule: how to take vitamin D, what to combine it with, when it works worse, and what magnesium has to do with it 3 249
Voltage spikes. Why we can't take electricity from some regions and distribute it to everyone – we explain 1 409
