Several hypotheses exist.

Several speculative and yet untested hypotheses suggest that endogenous DMT is produced in the human brain and is involved in certain psychological and neurological states.

Several other hypotheses that propose a coadaptive reason for the evolution of genomic imprinting have been proposed.

Several commentators have observed that the propositions " All ravens are black " and " All non-black things are non-ravens " suggest different procedures for testing the hypotheses.

Several hypotheses have been advanced to explain the origin of the name Sarmizegetusa.

Several other hypotheses have been proposed to explain ball lightning:

Several hypotheses have been offered for this asymmetric shape.

Several hypotheses, illustrated below, have been presented to explain seed plant evolution.

Several tentative hypotheses have been suggested.

Several hypotheses have been put forward about the meaning of The Creation of Adams highly original composition, many of them taking Michelangelo's well-documented expertise in human anatomy as their starting point.

Several hypotheses aim toward answering these questions.

Several hypotheses regarding human evolution integrate the idea that human females increasingly required supplemental paternal investment in their offspring.

Several hypotheses for this association have been advanced, including common genetic factors and dopamine, glutamate or serotonin abnormalities.

Several hypotheses try to explain the origins of muscle dysmorphia.

Several different hypotheses have been called " gateway " theories in popular discourse.

Several hypotheses exist on the true nature of the flush.

Several hypotheses are suggested to explain their occurrence.

Several experiments have tested these hypotheses in both the field and the lab.

Several hypotheses have been proposed as to how hystricognath rodents colonized this island continent.

Several years of her life have been spent in the homeland, and she had written to friends to alert them of our coming.

Several conventions have been held in recent months in hotels on a nonsegregated basis.

Several dentists and patients with special dental problems have experimented with the device.

Several germanium resistors have been thermally cycled from 300 to 4.2 Af and their resistances have been found to be reproducible within 1/3 millidegree when temperatures were derived from a vapor pressure thermometer whose tubing is jacketed through most of the liquid helium.

Several financial institutions, both banks and insurance companies, have been sounded out.

Several days after the companies had received the questionnaire, members of the research team contacted the presidents of eleven of these companies in person or by phone to discuss any ambiguities or difficulties the addressees might have experienced in completing the questionnaire.

Several signers affixed their names, it was learned, after being told that no tax increase would be possible without consent of the General Assembly and that a provision could be included in the charter to have the town take over the Johnston Sanitary District sewer system.

( Several times recently I have wondered whether shows were being staged for the sake of the script or just to entertain the audience with the spectacle of scenery being shifted right in front of their eyes.

Several of these double entries have been collected by Ben Bagley and Michael McWhinney, along with Rodgers and Hart songs that disappeared permanently en route to New York and others that reached Broadway but have not become part of the constantly heard Rodgers and Hart repertory, in a delightfully refreshing album, Rodgers And Hart Revisited ( Spruce Records, 505 Fifth Avenue, New York ).

Several robot cities have been planned for the country: the first will be built in 2009 at a cost of 500 billion won, of which 50 billion is direct government investment.

Several of the dialects have been influenced by contact with non-Germanic linguistic groups, such as the dialect of Carinthia, where in the past many speakers were bilingual with Slovene, and the dialect of Vienna, which has been influenced by immigration during the Austro-Hungarian period, particularly from what is today the Czech Republic.

Several AFI Alums have received both national and international recognition.

Several unusual applications, such as a nuclear battery or fuel for space ships with nuclear propulsion, have been proposed for the isotope < sup > 242m </ sup > Am, but they are as yet hindered by the scarcity and high price of this nuclear isomer.

Several biographical programs have been made, such as the 2004 BBC television programme entitled Agatha Christie: A Life in Pictures, in which she is portrayed by Olivia Williams, Anna Massey, and Bonnie Wright.

Several additional candidates for written ASL have appeared in over the years, including Sutton SignWriting, Sign Script, ASL-phabet, and Si5s.

Several genres of fiction have been confused as alternate histories.

Several volcanoes on offshore islands have records of historic activity.

Several of Ambrose's works have recently been published in the bilingual Latin-German Fontes Christiani series ( currently edited by Brepols ).

Several religious brotherhoods which have sprung up in and around Milan at various times since the 14th century have been called Ambrosians.

Several saints and six popes have borne this name, including the only English pope, Adrian IV, and the only Dutch pope, Adrian VI.

Several alternatives to the human sacrifice have been presented in Greek mythology.

Several other princes have borne the name Alexander: