Soviet Union's losses in World War II, 26.6 million, non-recoverable losses, civilian population, prisoners of war, historians' estimates, demographics
Why are there no blacks among strong chess players, Maurice Ashley, Amon Simutov, grandmasters, racism, barriers, chess, Africa, access, traditions.
The strongest chess players in history, TOP-30, table, Kasparov, Carlsen, Fischer, Lasker, Capablanca, rating, world champions
The most comprehensive libraries in the world, Library of Congress, British Library, Russian State Library, Shanghai Library, collections, books, table.
Pessimists and optimists, who lives longer, research, longevity, Dick Van Dyke, Jane Goodall, Herta Bohler, Schopenhauer, Zoshchenko, health.
Amber Room, versions of disappearance, destruction, hiding places, shaft, bunker, ship, Königsberg, search, treasures.
How Europeans perceive Russia by EU countries, perception of Russia, threat, surveys, relations, Eastern Europe, Western Europe.
Lunar industrialization, resource extraction, lunar base, robotics, helium-3, regolith, space race, USA, Russia, China.
TOP-10 countries where Putin is popular, popularity rating, support, international polls, countries with high approval ratings.
Sale of Alaska, Russia, USA, 1867, price, 7.2 million dollars, history, treaty.
History of alimony origin, ancient laws, legal traditions, evolution of the maintenance institution, care obligations, family law, legal norms, social support, financial provision, legislative acts.
Differences between Russians and Kazakhs: language, culture, religion, traditions, cuisine, mentality, climate, historical heritage.