Blood transfusions and blood banks.
Cadaveric blood transfusion - Wikipedia
Sergei Yudin (surgeon) - Wikipedia
Human kidney transplants in 1933 by Yuriy Voroniy
The first ICBM in the world, that through Mutually Assured Destruction would prevent a war between NATO and the Warsaw Pact from ever unfolding.
R-7 Semyorka - Wikipedia
The first ever Satellite, man in space and the first & only photos ever taken of the surface of Venus.
Sputnik 1 - Wikipedia
yuri gagarin - Google Search
Venera - Wikipedia
Synthetic Rubber
Sergey Lebedev (chemist) - Wikipedia
Synthetic rubber - Wikipedia
The world’s first ever Film School
Gerasimov Institute of Cinematography - Wikipedia
Lev Kuleshov - Wikipedia
The Theremin & interlaced video (same inventor)
Interlaced video - Wikipedia
Theremin - Wikipedia
Graphical sound
Graphical sound - Wikipedia
The Gene Pool
“The Russian geneticist Aleksandr Sergeevich Serebrovskii first formulated the concept in the 1920s as genofond (gene fund), a word that was imported to the United States from the Soviet Union by
Theodosius Dobzhansky, who translated it into English as “gene pool.”
Rabbage
Rabbage, was the first ever non-sterile hybrid obtained through the crossbreeding, which was an important step in
biotechnology. It was produced by
Georgii Karpechenko in 1928.
Electric rocket motors
Electrically powered spacecraft propulsion - Wikipedia
Valentin Glushko - Wikipedia
Paratroopers
Russian Airborne Troops - Wikipedia
Pressure suits
Pressure suit - Wikipedia
Yevgeny Chertovsky - Wikipedia
Used in rocket engines:
Hypergolic propellant - Wikipedia
There’s way, way more. Including: Postal codes, Underwater welding, Cherkenov Detector (radiation), the first nuclear power plant, 3D holography, drag chutes, etc.