Trivia question of the day — May 6, 2026
Wednesday, May 6, 2026. Tap Show answer for the answer, explanation and source.
DIFFICULTY 60 · HARDGENERAL
Willem Kolff's 1943 prototype dialysis machine used which odd material as its membrane?
- Silk stockings
- Fish bladders
- Parchment
- Sausage casings
Show answer
D. Sausage casings
Built in the occupied Netherlands from orange-juice cans and car parts, it launched the field of artificial organs. Kolff later worked on the artificial heart.
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