The TseTse ‡y is unique to the African continent and transmits a parasite harmful to humans and lethal to livestock. This paper tests the hypothesis that the presence of the TseTse reduced the ability of Africans to generate an agricultural surplus historically by limiting the use of domesticated animals and inhibiting the adoption of animal-powered technologies. To identify the e¤ects of the ‡...

This review deals with the most meaningful historical topics on the study of synovial fluid, by starting from the Greco-Roman Medicine, up to Paracelsus (1493-1541), who introduced the term "synovia" to name the intra-articular humour. Afterwards, some till now unreported historical sources are recorded, e.g., a short text by the Italian XVIII century physician Giambattista Contoli ("Breve Inst...