Western science severs ties with Russia.
Quirin
Q
Schiermeier
D005062:European Union / Q000458:organization & administration; D007391:International Cooperation; D012426:Russia; D012586:Science / Q000458:organization & administration*; D014455:Ukraine; D014481:United States; D018557:United States National Aeronautics and Space Administration / Q000458:organization & administration