| 01 | The Germ Theory of Disease | 90.5 |
| 02 | electromagnetism | 68.2 |
| 03 | Heliocentrism | 47.2 |
| 04 | Vaccination | 43.1 |
| 05 | Agriculture and domestication | 41.0 |
| 06 | The atomic structure of matter | 40.9 |
| 07 | Evolution by natural selection | 39.3 |
| 08 | DNA and heredity | 37.3 |
| 09 | Antibiotics | 35.5 |
| 10 | plate tectonics | 35.2 |
| 11 | The discovery of deep time and geological history | 20.1 |
| 12 | Information theory and computation | 19.7 |
| 13 | The Haber-Bosch Process | 19.6 |
| 14 | Quantum Mechanics Basics | 17.7 |
| 15 | The periodic table and modern chemistry | 16.9 |
| 16 | Discovery of anesthesia | 14.7 |
| 17 | The transistor and semiconductor physics | 14.0 |
| 18 | Nuclear fission | 13.8 |
| 19 | The discovery/exploration of the unconscious mind | 13.6 |
| 20 | The scientific method itself | 13.5 |
| 21 | Agricultural science / the Green Revolution | 13.3 |