In 19th-century France, the young chemist challenged the theory of spontaneous generation and discovered an invisible world of airborne microbes. Credit...Antoine Maillard Supported by By Carl Zimmer ...
There are few scientific advances that have had such a dramatic impact on the course of human history as the theory that ...
100 years ago, this unlikely duo discovered the first cancer ‘germ.’ By Bill Gourgey Published Oct 4, 2025 12:00 PM EDT Image: Popular Science Composite Get the Popular Science daily newsletter💡 ...