Henri Becquerel accidentally uncovered radioactivity by keeping photographic plates in the dark. Image credit – Wikimedia Some of the greatest scientific discoveries started out unexpectedly. One such case was a finding made in 1896 by the French scientist Henri Becquerel during experiments with phosphorescent substances. Photographic plates, which had been wrapped together with uranium salts,…

The chemist licked his fingers after dinner, and uncovered the first artificial sweetener. Image credit – Wikimedia The odd flavor detected while eating dinner sparked one of the greatest innovations in the modern food industry. In 1879, Constantin Fahlberg, a chemist, was experimenting in Ira Remsen’s chemistry laboratory in Johns Hopkins University. He noted that…