Spanish Biology Olympiad of the Interior. The Board of Directors of the Spanish Biology Olympiad (OEB) is elected every four years. The Members are members of the Association OEB and are generally also responsible for organisation of the regional stages. The first Board of the OEB was established in 2009 to work together until 2013, with the following members: José Luis Barba, Maria Jose Lorente, Carmen Díaz, Javier Fernández-Portal, Anselmo Frade, Joaquín Rodríguez, Pedro Nozal and Judith Sanabria. Spanish Biology Olympiad The Spanish Biology Olympiad () is a national competition organised by the Spanish Association of Biology Olympiad since 2005. It is open
How many angels can dance on the head of a pin? How many angels can dance on the head of a pin? The question "How many angels can dance on the head of a pin?" (alternatively ""How many angels can stand on the "point" of a pin?"") is a reductio ad absurdum of medieval scholasticism in general, and its angelology in particular, as represented by figures such as Duns Scotus and Thomas Aquinas. It is first recorded in the 17th century, in the context of Protestant apologetics. The question has also been linked to the fall of Constantinople, with the imagery of scholars debating about minutiae while the Turks besieged the