The Eternity of the World and Renaissance Historical Thought
Medieval and Renaissance controversies over the Aristotelian doctrine of “the eternity of the world” have hitherto been treated as disputes restricted to natural philosophers and theologians.
Emeralds, sapphires, pearls and other gemmological materials from the Preslav gold treasure (X century) in Bulgaria
The medieval settlement of Preslav (now Veliki Preslav) was founded during the VIII to IX century. It has been proclaimed the second capital of Bulgaria in 893 and is related to the reign of Tsar Simeon the Great.
Fossils as Drugs: pharmaceutical palaeontology
The present paper surveys the medicinal applications of a number of fossils which were well known in classical, mediaeval and renaissance times….