You limited your search to:
- Rediscovery of the Elements: Phosphoro di Bologna
- Article recounting a visit to sites related to the discovery of phosphorescent stone (barium sulfide) in Bologna, Italy. Maps with driving directions are included.
- Rediscovery of the Elements: Paracelsus
- Article describing the career and discoveries of Phillippus Aureolus Theophrastus Paracelsus Bombastus von Hohenheim. Tourist information regarding locations important to his life are visited and discussed.