![Denitrification in foraminifera has an ancient origin and is complemented by associated bacteria | PNAS Denitrification in foraminifera has an ancient origin and is complemented by associated bacteria | PNAS](https://www.pnas.org/cms/asset/4b471938-41f0-4f96-a06c-629e7518581c/keyimage.jpg)
Denitrification in foraminifera has an ancient origin and is complemented by associated bacteria | PNAS
![File:WW2 German Waffen-SS Untersturmführer uniform (Norwegian volunteer Germanske SS frontkjemper) Gestapo civil clothing Mannequins Hjemmefrontmuseet Rakkestad war museum 2021-06-20 IMG 5864.jpg - Wikimedia Commons File:WW2 German Waffen-SS Untersturmführer uniform (Norwegian volunteer Germanske SS frontkjemper) Gestapo civil clothing Mannequins Hjemmefrontmuseet Rakkestad war museum 2021-06-20 IMG 5864.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/8/87/WW2_German_Waffen-SS_Untersturmf%C3%BChrer_uniform_%28Norwegian_volunteer_Germanske_SS_frontkjemper%29_Gestapo_civil_clothing_Mannequins_Hjemmefrontmuseet_Rakkestad_war_museum_2021-06-20_IMG_5864.jpg)
File:WW2 German Waffen-SS Untersturmführer uniform (Norwegian volunteer Germanske SS frontkjemper) Gestapo civil clothing Mannequins Hjemmefrontmuseet Rakkestad war museum 2021-06-20 IMG 5864.jpg - Wikimedia Commons
![German -soldiers-allegiance-Adolf-Hitler-Rathenower-Strasse-barracks-Berlin-August-2-1934-World-War-II.jpg German -soldiers-allegiance-Adolf-Hitler-Rathenower-Strasse-barracks-Berlin-August-2-1934-World-War-II.jpg](https://cdn.britannica.com/02/209402-050-79BFAC01/German-soldiers-allegiance-Adolf-Hitler-Rathenower-Strasse-barracks-Berlin-August-2-1934-World-War-II.jpg)