It has been speculated that accounts of spitting cobras may be the origin of the myths of fire-breathing dragons.

It has been speculated that an impact effect such as that represented today by the Burckle Crater could have dramatically affected human culture in its early history by the creation of megatsunamis, perhaps inspiring deluge or inundation myths such as that of Noah's Flood.

Georges Roux has speculated that the many later Indo-Iranian ( Persian, Median and Urartian / Armenian ) flavoured myths surrounding Semiramis stem from successful campaigns waged by her against these peoples, and the novelty of a woman ruling such an empire.

The surgeon Campbell De Morgan ( 1811 – 1876 ), who first speculated that cancer arose locally and then spread more widely in the body, was born here.

After that the band was absent from the stage and uncertainty about the group's future arose, it was speculated that the reason for this was that they were working on a new album, but that was just rumours.

The derivation of the name of Twenty has been much speculated about but it seems fairly clear that it arose from its position where, in the mid-19th century, the North Fen Drove crossed the 17th-century Twenty Foot Drain.

Till and McCulloch dubbed the lumps ' spleen colonies ', and speculated that each lump arose from a single marrow cell: perhaps a stem cell.

Till and McCulloch called the nodules ' spleen colonies ', and speculated that each nodule arose from a single marrow cell: perhaps a stem cell.

Some scholars have speculated that members of the Alemannic elite such as king Gibuld due to Visigothic influence may have been converted to Arianism even in the later 5th century.

The writers of the study had initially speculated that the reason for this is due to endocrinology with larger breasts indicating higher levels of estrogen and a sign of greater fertility, but the researchers said that " Men may be looking more often at the breasts because they are simply aesthetically pleasing, regardless of the size.

Some historians have speculated that since Rome lacked advanced naval technology the design of the warships was probably copied verbatim from captured Carthaginian triremes and quinqueremes or from ships that had beached on Roman shores due to storms.

It is speculated that this was due to some occult papers having been found in a hansom cab, in which Westcott's connection to the Golden Dawn came to the attention of his superiors.

The company speculated this was due to irradiating the food.

However, these views have been disputed by, among others, the late Carl Sagan, who speculated that any technologically advanced extraterrestrial civilization would be advanced ethically as well, and would not be aggressive, and that humanity would, due to the extraterrestrial civilization's technological prowess, reciprocate this non-aggression.

In ancient Greek times philosophers speculated that the apparent diversity of observed phenomena was due to a single type of interaction, namely the collisions of atoms.

In an article appearing in the Associated Press, it has been speculated by a Vanderbilt University endocrinologist that the hostility underlying the Hatfield – McCoy feud may have been partly due to the consequences of von Hippel – Lindau disease.

An elliptical portico at Château de Rastignac in La Bachellerie, France with nearly identical curved stairs is speculated as the source of inspiration due to its similarity with the South Portico, although this matter is one of great debate.

A further problem was that the XFL itself was the brainchild of Vince McMahon, a man who was ridiculed by mainstream sports journalists due to the stigma attached to professional wrestling as being " fake "; many journalists even jokingly speculated whether any of the league's games were rigged, although nothing of this sort was ever proven.

This was speculated to be due to the fact that many of the HNC members were old, and did not appreciate the generals ’ negativity towards seniors.

It is speculated that it was these deep political connections that provided him with aid when charges of wrong-doing were levied against him due to his rapid acquisition of vast mineral rights in eastern Kentucky as he was subsequently found not guilty by a governor he had helped to elect.

It has been speculated that besides Iran or Israel, the CIA, MI6, Mexican, Iraqi, or South African governments could have been behind the assassination due to Bull's past ventures.

The town gained infamy in the late 1950s and early 1960s due to the improbably high percentage of residents who put out insurance claims on lost limbs, to the point that many speculated that residents of the town were intentionally dismembering themselves for the insurance money.

It is speculated that this anomaly is due to central bank intervention, which obviously technical analysis is not designed to predict.

The study speculated that the genetic-similarity between Ashkenazi Jews and Italians may be due to inter-marriage and conversions in the time of the Roman Empire.

It is widely speculated that Doria ’ s prevarication and lack of zeal were due to his unwillingness to risk his own ships ( he personally owned a substantial number of the " Spanish-Genoese " fleet ) and his long-standing enmity towards Venice, his home city's fierce rival and the primary target of Ottoman aggression at that time.

The color has been speculated to be due to organic compounds on its surface.

The polling company speculated this improvement is due to strong sympathy by the public for a political candidate they judged as being unfairly maligned.

Gaddis's influence is vast ( although frequently subterranean ): for example, postmodern authors such as Don DeLillo and Thomas Pynchon seem to have been influenced by Gaddis ( indeed, upon publication of V., Pynchon was actually speculated to have been a pen name for Gaddis due to the similarity of styles and the dearth of information about the two authors ; the Wanda Tinasky letters also claimed that Gaddis, Pynchon, and Jack Green were the same person ), as well as authors such as Joseph McElroy, William Gass, David Markson, and David Foster Wallace, who have all stated their admiration for Gaddis in general and The Recognitions in particular.

Coming full circle, investigation of these types of luminous supernovae suggests that some of them are due to explosions of extremely massive low metallicity stars by the pair instability mechanism, although not with the energies that were speculated for them decades earlier.

At least one source speculated that Jones ' hiatus was due to back pain.

It has been speculated that this was due to Card being " overshadowed " by the influence of Karl Rove, the Senior Adviser and Deputy Chief of Staff who was " the architect " of Bush's political rise.

It is speculated that this was due in part to the popular failure of the movie Aida, in which Umm Kulthum sings mostly Qasabgi's compositions, including the first part of the opera.

He noted its fading luminosity, speculated about its origin, and used the lack of observed parallax to argue that it was in the sphere of fixed stars, further undermining the doctrine of the immutability of the heavens ( the idea accepted since Aristotle that the celestial spheres were perfect and unchanging ).

Historian Farley Mowat has speculated two possible reasons for this: Bylot's lack of education and lower position relative to Baffin in English society, and his involvement in the mutiny during Hudson's expedition.

Critics, however, queried the band's lack of development or musical innovation, and speculated that this might be connected to a lack of creative tension and to Zawinul's now-entirely unchallenged dominance.

The lack of sufficient customers was speculated to be a direct result of the U. S. domestic carriers pulling from agreements with Connexion after 9 / 11.

Morris Jones who writes for SpaceDaily. com has speculated that the lack of any other announced experiments suggested that the mission could be oriented more toward the military.

There is some evidence that autism may be caused by an immune disease ; One publication speculated that the lack of early childhood exposure could be a cause of autism.

Charles Maxson, an Appalachian luthier from Volga, WV, speculated that early settlers were unable to make the more complex violin in the early days because of lack of tools and time.

It has been speculated that the continued use of traditional techniques has much to do with the lack of familiarity with Western customs among new immigrants, but evidence has shown that the use of traditional techniques is often continued among second and third generation Korean immigrants.

Nevertheless, the evidence available in the 1970s was too inconclusive and some scientists thought that Saturn might lack a magnetic field altogether, while others even speculated that the planet could lie beyond the heliopause.