497K views · 6.7K reactions | Whether the gold you buy is real or not, you can now determine that yourself. Didn't get it? See, whether the gold you have purchased is pure or not can be determined through an app. So, watch this Jist to know how you can check the purity of your gold jewellery. Producer: Harshita Pathak Editor: Krishna Sawlani #gold #jewellery #purity #tips | Jist | Facebook

17 reactions | For centuries physicians have worried about the salubrity of what we drink, eat, and breathe but it was only in the early modern period that instruments and practices were invented to test these and improve health. Discover the story of the Eudiometer and its uses. Credits: Museo Galileo Florence | Centre for the Study of Medicine and the Body in the Renaissance - CSMBR | Facebook