Example image of eyePlorer eyePlorer map for 'Spontaneous generation': Abiogenesis Aristotle Francesco Redi Louis Pasteur Cell theory Germ theory of disease Anaximander Hippolyte (disambiguation) Anaximenes Xenophanes Empedocles Aether (classical element) Anaxagoras History of Animals Pneuma (Stoic) Vital heat Barnacle Clam Limpet Mollusca Oyster Scallop Testacea Snow Worm Fire Grub Embryo Semen Sexual reproduction Soul Bookworm (insect) Vitruvius Eel (disambiguation) Earthworm Pliny the Elder Athenaeus Anchovy Roe Sea foam Creation according to Genesis Aristotelianism Christianity Augustine of Hippo City of God (book) Decline of the Roman Empire East–West Schism Book of Genesis Barnacle Goose Goose barnacle