Weigmann, Katrin (2005). «The Consequence of Errors». EMBO Reports6 (4): 306–309. doi:10.1038/sj.embor.7400389. PMID15809657. «Aristotle's belief that the brain is a cooling organ for the blood was definitely not based on anything that scientists today would consider scientific evidence. He also thought that in humans, goats and pigs, males have more teeth than females, a notion easy enough to correct. His statement that flies have four legs was repeated in natural history texts for more than a thousand years despite the fact that a little counting would have proven otherwise.».
Fürst von Lieven, A.; Humar, M. (2008). «A Cladistic Analysis of Aristotle's Animal Groups in the "Historia animalium"». History and Philosophy of the Life Sciences30 (2): 227–262. PMID19203017.
Weigmann, Katrin (2005). «The Consequence of Errors». EMBO Reports6 (4): 306–309. doi:10.1038/sj.embor.7400389. PMID15809657. «Aristotle's belief that the brain is a cooling organ for the blood was definitely not based on anything that scientists today would consider scientific evidence. He also thought that in humans, goats and pigs, males have more teeth than females, a notion easy enough to correct. His statement that flies have four legs was repeated in natural history texts for more than a thousand years despite the fact that a little counting would have proven otherwise.».
Weigmann, Katrin (2005). «The Consequence of Errors». EMBO Reports6 (4): 306–309. doi:10.1038/sj.embor.7400389. PMID15809657. «Aristotle's belief that the brain is a cooling organ for the blood was definitely not based on anything that scientists today would consider scientific evidence. He also thought that in humans, goats and pigs, males have more teeth than females, a notion easy enough to correct. His statement that flies have four legs was repeated in natural history texts for more than a thousand years despite the fact that a little counting would have proven otherwise.».
