Back 1931 en science French 1931 במדע HE Znanost u 1931. Croatian 1931 a tudományban Hungarian Науката во 1931 година MK Vitskap i 1931 NN Vitenskapsåret 1931 NB 1931 w nauce Polish 1931 na ciência Portuguese 1931 год в науке Russian
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| 1931 in science |
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| Fields |
| Technology |
| Social sciences |
| Paleontology |
| Extraterrestrial environment |
| Terrestrial environment |
| Other/related |
The year 1931 in science and technology involved some significant events, listed below.