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This category has the following 10 subcategories, out of 10 total.
- Obsolete biology theories (5 C, 23 P)
- Misidentified chemical elements (45 P)
- Flat Earth (1 C, 15 P)
- Obsolete geology theories (1 C, 10 P)
- Hollow Earth (2 C, 6 P)
- Obsolete medical theories (2 C, 28 P)
- Obsolete theories in physics (7 C, 44 P)
- Vitalism (3 C, 44 P)
Pages in category "Obsolete scientific theories"
The following 50 pages are in this category, out of 50 total. This list may not reflect recent changes (learn more).