Aetiology: The study of the causes. For example, of a disorder. The word aetiology is mainly used in medicine, where it is the science that deals with the causes or origin of disease, the factors which produce or predispose toward a certain disease or disorder.Today in medicine one hears (or reads) that the aetiology is unknown..or example, of a disorder. The word aetiology is mainly used in medicine, where it is the science that deals with the causes or origin of disease, the factors which produce or predispose toward a certain disease or disorder. Today in medicine one hears (or reads) that the aetiology is unknown..
Saba Saba Day is a Tanzanian public holiday celebrated on July 7. It is marked with the Dar es Salaam International Trade Fair Saba Saba Day is a Tanzanian public holiday celebrated on July 7.
Toba catastrophe theory. The Toba supereruption was a supervolcanic eruption that occurred about 75,000 years ago at the site of present-day Lake Toba (Sumatra, Indonesia). It is one of the Earth's largest known eruptions. The Toba catastrophe theory holds that this event caused a global volcanic winter of 6â10 years and possibly a 1,000-year-long cooling episode.