Although its function is unknown, it has been often suggested that the jewel was one of the æstels — pointers for reading — that Alfred ordered sent to every bishopric accompanying a copy of his translation of the Pastoral Care.

Although its author is unknown, its themes and subject matter are rooted in Germanic heroic poetry, in Anglo-Saxon tradition recited and cultivated by Old English poets called scops.

Although many types of balls are today made from rubber, this form was unknown outside the Americas until after the voyages of Columbus.

Although there were several competing theories as to the etiology of the Black Death, recent analysis of DNA from victims in northern and southern Europe indicates that the pathogen responsible was the Yersinia pestis bacterium, which causes the Bubonic plague, although these were different, previously unknown ancestral variants of those identified in the 20th century.

Although the best treatment for comatose patients remains unknown, hospitals usually place comatose patients in an Intensive Care Unit ( ICU ) immediately.

Although any preservation of this knowledge in literary sources from the Middle Ages is unknown, medieval masons and some military engineers maintained an active tradition of using hydraulic cement in structures such as canals, fortresses, harbors, and shipbuilding facilities.

Although the approximately 2, 000 queries received each week are screened by the Car Talk staff, the questions are unknown to the Magliozzis in advance as " that would entail researching the right answer, which is what?

Although the shooter's motives remain unknown, relatives of the shooter had expressed concerns about his mental health.

Although Dada itself was unknown in Georgia until at least 1920, from 1917-1921 a group of poets called themselves " 41st Degree " ( referring both to the latitude of Tbilisi, Georgia and to the temperature of a high fever ) organized along Dadaist lines.

Although these trips were long and arduous, they resulted in very little Kalevala material ; only 1, 000 verses were recovered from the southern half and an unknown quantity from the northern half.

Although his work was the first of its kind, it was unknown to the larger logical community.

Although they were not completely unknown to biologists of the time, they were not seen as generally applicable, even by Mendel himself, who thought they only applied to certain categories of species or traits.

Although the okapi was unknown to the Western world until the 20th century, it was possibly depicted 2, 500 years ago on the façade of the Apadana, at Persepolis, as a gift from the Ethiopian procession to the Achaemenid kingdom.

Although insoluble fiber is associated with reduced diabetes risk, the mechanism by which this occurs is unknown.

Although major polio epidemics were unknown before the late 19th century, polio was one of the most dreaded childhood diseases of the 20th century.

Although the cause of rheumatoid arthritis is unknown, autoimmunity plays a pivotal role in both its chronicity and progression, and RA is considered a systemic autoimmune disease.

Although Mr. Fulton loved his work and research, it eventually led to his premature death, as he acquired an unknown disease during one of his surgeries in 1888.

Although the exact etiology or cause of stuttering is unknown, both genetics and neurophysiology are thought to contribute.

Although extremely unpopular at the time, it was the Sheffield trade that brought in pitcher Trevor Hoffman, who was virtually unknown to Padres fans.

Although the visible buildings give an impression of an organic whole, it is certain that an unknown quantity of additional structures had already been lost to sea erosion before the site's rediscovery and subsequent protection by a seawall.

Although Browning wanted to hire an unknown European actor for the title role and have him be mostly offscreen as a sinister presence, budget constraints and studio interference necessitated the casting of Bela Lugosi and a more straightforward approach.

Although time travel has been a common plot device in science fiction since the late 19th century and the theories of special and general relativity allow methods for forms of one-way travel into the future via time dilation, it is currently unknown whether the laws of physics would allow time travel into the past.

Although it is unknown just how much silver flowed from the Spanish base of Manila in the Philippines to the Ming Dynasty of China, it is known that the main port for the Mexican silver trade — Acapulco — shipped out 150, 000 to 345, 000 kg ( 4 to 9 million taels ) of silver annually from this year to 1602.

" Although there have been a number of philosophers who have formulated similar anti-razors since Chatton's time, no one anti-razor has perpetuated in as much notability as Chatton's anti-razor, although this could be the case of the Late Renaissance Italian motto of unknown attribution Se non è vero, è ben trovato (" Even if it is not true, it is well conceived ") when referred to a particularly artful explanation.

Although the film is relatively unknown, some have considered it a " masterpiece in this vein " of silent comedy, even though it included minimal dialogue.

Although ( contrary to rumour ) she never placed bets, she did have the racing commentaries piped direct to her London residence, Clarence House, so she could follow the races.

Although the incident was officially attributed to exhaustion, one rumour following the incident was that Day-Lewis had seen the ghost of his own father.

Although the rumour has been promoted by some historians, there is a lack of supporting evidence and it is best classified as an urban legend.

Although he is perfectly willing to cooperate with Scotland Yard, Holmes has nothing but contempt for the intelligence and mentality of the police.

Although Patchen has given previous evidence of an interest in jazz, the musical group that he works with, the Chamber Jazz Sextet, is often ignored by jazz critics.

Although the wood has been changed to coal, much of it still retains its original cell structure.

Although today's trucks are as fast as passenger cars, a truck driver has to be a sensible person and guard against hogging the road.

Although the matter has not been unequivocally demonstrated, the available data show that micelles in themselves do not contribute significantly to the detergency process.

Although a somewhat technical subject, it has important political implications as the above discussion of the voting system indicated.

Although the pause in the advance of general business activity this year has thus far been quite modest, it is hard to escape the conclusion that the softening process will continue into the first quarter of 1961 and possibly somewhat longer.

Although refrigeration has served to extend the storage life of these products, substantially increased consumption might be possible if areas remote from the seacoast could be served adequately.

Although science has given us more effective materials, preparations from anise, castorbean, colchicum, nux vomica, mustard, fennel, and stramonium are familiar to many for the relief of human ailments.

Although progress has been made in America's system of libraries it still falls short of what is required if we are to maintain the standards that are needed for an informed America.

Although I have emphasized the barriers which an aroused nationalism has raised against relations between Christians and non-Christians in Asia, the fact is that this development has also widened the gulf between certain Afro-Asian religions themselves.

Although the axiom of countable choice in particular is commonly used in constructive mathematics, its use has also been questioned.

Although argon is a noble gas, it has been found to have the capability of forming some compounds.

Although the Indian and Greek concepts of the atom were based purely on philosophy, modern science has retained the name coined by Democritus.

Although panic attacks are not experienced by every person who has anxiety, they are a common symptom.

Although a cease-fire has held since 1994, the conflict with Azerbaijan over Nagorno-Karabakh has not been resolved.

Although MacDougall's results varied considerably from " 21 grams ", for some people this figure has become synonymous with the measure of a soul's mass.

Although, as of 2009, none of the extrasolar planets detected by ground-based astrometry has been verified in subsequent studies, astrometry is expected to be more accurate in space missions that are not affected by the distorting effects of the Earth's atmosphere.

Although hydrogen-like orbitals are still used as pedagogical tools, the advent of computers has made STOs preferable for atoms and diatomic molecules since combinations of STOs can replace the nodes in hydrogen-like atomic orbital.

Although the sign still exists, the " of " has now been replaced by the URL of their website.

Although the Caiman has not been studied in-depth, scientists have learned that their mating cycles ( previously thought to be spontaneous or year-round ) are linked to the rainfall cycles and the river levels, which increases chances of survival for their offspring.

Although Albert has received relatively little recognition in German history, his dissolution of the Teutonic State caused the founding of the Duchy of Prussia ( and also the Hohenzollern dynasty ), which would eventually become arguably the most powerful German state and instrumental in uniting the whole of Germany.

Although the family ( Amaranthaceae ) is distinctive, the genus has few distinguishing characters among the 70 species included.