Results for "History"
Found 153 results
Discover how John Vane used a guinea pig organ bath to prove aspirin blocks pain messengers, solvin…
Before 1879, electric lamps failed in minutes. Thomas Edison tested 3000 materials to find the perf…
In 1847 Vienna, Dr. Semmelweis discovered unwashed hands were killing mothers. His simple chlorine …
Discover how John Bardeen and Walter Brattain used a razor blade, gold foil, and a germanium crysta…
Discover how Antoine Lavoisier's sealed glass retort experiment in 1775 killed the phlogiston theor…
In the 1950s, Arvid Carlsson solved a medical mystery by slipping a raw chemical precursor past the…
Discover how John Tyndall's 1859 experiment with a copper tube and rock-salt windows uncovered the …
Discover how engineer Karl Jansky accidentally invented radio astronomy in 1933 while trying to fix…
When Matthew Flinders mapped Australia, his compass went crazy. He found the ship's iron hull hijac…
How Jonas Salk used formaldehyde as a chemical scalpel to kill the polio virus while keeping its ou…
How Jacques Cousteau and Émile Gagnan invented the Aqua-Lung in 1943, using a simple valve to free …
In 1980, John Goodenough solved the deadly lithium battery explosion by hiding ions inside a layere…