Dec 02 2025SCIENCE
The Spemann-Mangold Experiment: A Century of Discovery
One hundred years ago, a groundbreaking experiment shook the world of biology. It was not flashy or loud, but it changed how scientists think about how living things grow and develop. This experiment, done by Hans Spemann and Hilde Mangold, showed that some cells in an embryo have special powers. Th
reading time less than a minute