Daily Archives: November 30, 2017


Today In Science History – December 8 – Jan Ingenhousz 1

December 8 is Jan Ingenhousz’s birthday. Ingenhousz was a Dutch scientist who made the first step to understanding plant respiration or photosynthesis. English chemist Joseph Priestly had recently demonstrated that plants give off oxygen. Ingenhousz expanded this research by noting that plants not only give off oxygen but absorb carbon […]

Jan Ingenhousz (1730 - 1799)