The old oracles in Delphi seem to be connected with a local tradition of the priesthood, and there is not clear evidence that a kind of inspiration-prophecy existed in the temple. This led some scholars to the conclusion that Pythia carried on the rituals in a consistent procedure through many centuries, according to the local tradition. In that regard, the mythical seeress Sibyl of Anatolian origin, with her ecstatic art, looks unrelated to the oracle itself. However, the Greek tradition is referring to the existence of vapours and chewing of laurel-leaves, which seem to be confirmed by recent studies.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): What Greek tradition seems to be confirmed by recent studies?
Ah, so.. existence of vapours and chewing of laurel-leaves

In England, the Royal Society of London also played a significant role in the public sphere and the spread of Enlightenment ideas. It was founded by a group of independent scientists and given a royal charter in 1662. The Society played a large role in spreading Robert Boyle's experimental philosophy around Europe, and acted as a clearinghouse for intellectual correspondence and exchange. Boyle was "a founder of the experimental world in which scientists now live and operate," and his method based knowledge on experimentation, which had to be witnessed to provide proper empirical legitimacy. This is where the Royal Society came into play: witnessing had to be a "collective act", and the Royal Society's assembly rooms were ideal locations for relatively public demonstrations. However, not just any witness was considered to be credible; "Oxford professors were accounted more reliable witnesses than Oxfordshire peasants." Two factors were taken into account: a witness's knowledge in the area; and a witness's "moral constitution". In other words, only civil society were considered for Boyle's public.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): In what year was the Royal Society of London given a royal charter?
Ah, so.. 1662

With the arrival of Francisco Vazquez de Coronado, a Spanish conquistador, the first recorded history of encounter between Europeans and Native Americans in the Great Plains occurred in Texas, Kansas and Nebraska from 1540-1542. In that same time period, Hernando de Soto crossed a west-northwest direction in what is now Oklahoma and Texas. Today this is known as the De Soto Trail. The Spanish thought the Great Plains were the location of the mythological Quivira and Cibola, a place said to be rich in gold.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): what did the spanish think the cities of Quivira and Cibola were rich in?
Ah, so..
gold