Topic · 3 guides

History Of Science

N-Rays: The Radiation That Never Existed

In 1903, a French physicist discovered N-rays, and 120 scientists confirmed them, until a rival secretly removed a prism and proved they never existed.2026-07-21 02

Ignaz Semmelweis: The Doctor Who Discovered Handwashing

Ignaz Semmelweis proved handwashing saved mothers' lives in 1847, then his peers rejected him and he died in an asylum. The true story of a medical pioneer.2026-07-21 03

The Radium Girls: The Science Explained

The Radium Girls: 1920s dial painters fatally poisoned by radium paint they were told was safe. Their 1927 lawsuit and 'radium jaw' reshaped US.2026-07-19