Human Tech Tree
Researched1668 · Middle Ages & Renaissance (500 – 1700)

Life / Biology & Genetics

Redi refutes maggots from meat

Francesco Redi showed in 1668 that maggots come from flies' eggs, not from rotting meat: the first controlled test of spontaneous generation.

Open in the interactive tree →

Redi set meat in open jars and in jars covered with gauze; maggots appeared only where flies could lay eggs. The microscope then raised the question again for microbes, and Pasteur settled it in the 1860s.

Prerequisites

Unlocks

  • Germ theory1861Redi's 1668 test began the experimental case that life comes only from life

Sources

More in Biology & Genetics · Middle Ages & Renaissance

All 66 points in Biology & Genetics →

Open in the interactive tree →