Although it's increasingly common for couples – particularly younger couples – to have " power neutral " relationships and / or play styles, activities and relationships within a BDSM context are often characterized by the participants ' taking on complementary, but unequal roles ; thus, the idea of informed consent of both the partners becomes essential.

Although perennialism may appear similar to essentialism, perennialism focuses first on personal development, while essentialism focuses first on essential skills.

Although, historically, the use of quantitative methods was often considered an essential mark of scholarship, modern educational psychology research uses both quantitative and qualitative methods.

Although essential tremor is often mild, patients with severe tremor have difficulty performing many of their routine activities of daily living.

Although considered " small and primitive " by the standards of its time, it was the first working machine to contain all of the elements essential to a modern electronic computer.

Although humans and other mammals use various biosynthetic pathways to both break down and synthesize lipids, some essential lipids cannot be made this way and must be obtained from the diet.

Although he frequently wrote of his longing for solitude in order to come closer to God and to extend his reflections – elements considered essential to the prophetic experience itself in his philosophy-he gave over almost all his time to caring for others.

Although the range of narratives, as well as the medium in which it is being told is constantly increasing, it is clear that myth continues to be a pervasive and essential component of the collective imagination ( Cormer, " Narrative.

Although generally considered essential to academic quality, and used in most important scientific publications, peer review has been criticized as ineffective, slow, and misunderstood ( also see anonymous peer review and open peer review ).

Although unpleasantness is an essential part of the IASP definition of pain, it is possible to induce a state described as intense pain devoid of unpleasantness in some patients, with morphine injection or psychosurgery.

Although Dirac's original intentions were satisfied, his equation had far deeper implications for the structure of matter, and introduced new mathematical classes of objects that are now essential elements of fundamental physics.

Although he was not as well documented as his contemporaries, Cinna was still an essential player in the fall of the system of the Roman Republic, ushering in a thinly veiled form of tyranny.

Although the RNase P complex also exists in eukaryotic organisms, his later work revealed that in those organisms, the protein subunits of the complex are essential to the catalytic activity, in contrast to the bacterial RNase P.

Although, like Baruch Spinoza, some pantheists may also be monists, and monism may even be essential to some versions of pantheism ( like Spinoza's ), not all pantheists are monists.

Although African slaves were considered an essential element of the colonial economy, their working conditions were brutal.

Although Scheele was unable to grasp the significance of his discovery of oxygen, his work was essential for the invalidation of the long-held theory of phlogiston.

Although Douglas Engelbart was the founder and leader of ARC, Rulifson's innovative programming was essential to the realization of Engelbart's vision.

" According to the publisher, " Although individually minor, these changes are nonetheless crucial in that they facilitate a smooth reading of the book ’ s allusive density and essential fabric.

Although each denomination may differ in application, the essential ideas of the Reformation remain foundational.

Although the centrosome has a key role in efficient mitosis in animal cells, it is not essential.

Although these works have been superseded by more recent research in some respects, they are still seen as essential texts in the field.

Although Constable produced paintings throughout his life for the " finished " picture market of patrons and R. A. exhibitions, constant refreshment in the form of on-the-spot studies was essential to his working method, and he never satisfied himself with following a formula.

Although Fairview is mostly a bedroom community to the employees and students of nearby Sabetha and Hiawatha, a few essential businesses thrive.

Although paper existed in China before Cai Lun ( since the 2nd century BC ), he was responsible for the first significant improvement and standardization of paper-making by adding essential new materials into its composition.

Although ecotourism is intended for small groups, even a modest increase in population, however temporary, puts extra pressure on the local environment and necessitates the development of additional infrastructure and amenities.

Although the property prices for these periphery sites were markedly cheaper than their inner city counterparts, they often had little access to public amenities, such as public transport.

Although many amenities such as beach-houses and concrete hotels remain, some have fallen into disrepair.

Although many people see in camping a chance to get out of the daily routine and improve their survival skills, others would rather benefit from the many amenities that campsites are nowadays equipped with.

Although some ships have characteristics of both types, the design priorities of the two forms are different: ocean liners value speed and traditional luxury while cruise ships value amenities ( swimming pools, theaters, ball rooms, casinos, sports facilities, etc.

Although most of these amenities have long since gone, the park is still tended by the local authority and provides a public open space for all to use.

Although The Palace is now one of the oldest arenas in the NBA, the Pistons have shown little interest in replacing it, as it already contains the amenities that most NBA teams have sought in new arenas.

Although it is close to Leeds city centre and Armley Town Street ( which offers a broader range of amenities than Wortley ), there are still many parades of smaller local shops.

Although the villages are located close to industrial sites, they are generally physically separated from them and often consist of relatively high quality housing, with integrated community amenities and attractive physical environments.

Although the Omni hosted many events, it lost more than its share due to the smaller seating capacity and lack of amenities when compared to newer buildings in other cities.

Although it cannot overcome wider problems such as unemployment, it leads to " noticeable improvement in the accessibility and quality of various public welfare amenities ".

Although monetary compensation cannot be directly equated with physical deprivation it is generally accepted that compensation should also be awarded for loss of amenities, reflecting the decrease in expected standard of living due to any injury suffered and pain and suffering.

Although praised for its spaciousness and its public amenities, Festival Walk's array of escalators were criticised as confusing and unwisely planned in a " Rate your mall " survey in 2007.

Although in the heart of the South Staffordshire countryside there are many amenities for the local population including two pubs, The Hartley Arms and the Coach and Horses ( which also provides accommodation for a cafe / sandwich shop ), Wheaton Aston and Lapley Recreation Ground, post office, paper shop, general store, a garage-cum-chandlery-cum-hardware shop ( Turners ), a motor engineers ( Hinsley's ) and a couple of farms ( The Bridge and Whitegates ) who also sell their produce direct to the public.

Although not all articles and subjects were London-centred, regular features include Secret London ( obscure buildings, shops and amenities ), London Lives ( eccentric residents ) and London Observed ( a black and white reportage photo from the early-to-mid 20th century ).

Although the zoo had some financial struggles in the early 1960s, it grew substantially during the 1970s as it added numerous new exhibits, landscaping features, and visitor amenities.

Although the need for outside trained manpower exists in every newly developing nation, the readiness to receive such manpower, or to receive it from the United States will vary from country to country.

Although the Administration's program cut crop acreage to the lowest point since 1934, farmers, with the help of extra fertilizer and good weather, are getting such high yields per acre that many are being forced to buy new harvesting machines.

Although the particular form of conceptualization which popular imagination had made in response to the experience of spirit was undoubtedly defective, the raw experience itself which led to such excesses remains with us as vividly as ever.

The Turkish language and the Islamic religion were gradually introduced as a result of the Seljuk conquest, and this period marks the start of Anatolia's slow transition from predominantly Christian and Indo-European and Semitic-speaking, to predominantly Muslim and Turkish-speaking ( Although some ethnic groups such as Armenians, Greeks, Assyrians and Georgians retained Christianity and their native languages ).

Although constrained by land mass and topology, the amount of arable land, both regionally and globally, fluctuates due to human and climatic factors such as irrigation, deforestation, desertification, terracing, landfill, and urban sprawl.

Although England decisively won the Ashes 4 – 1, Bodyline caused such a furore in Australia that diplomats had to intervene to prevent serious harm to Anglo-Australian relations, and the MCC eventually changed the Laws of cricket to curtail the number of leg side fielders.

Although there is no reference to reincarnation in the Talmud or any prior writings, according to rabbis such as Rabbi Avraham Arieh Trugman, reincarnation is recognized as being part and parcel of Jewish tradition.

Although when burned, amber does give off a characteristic " pinewood " fragrance, modern products, such as perfume, do not normally use actual amber.

Although the terms adiabatic and isocaloric can often be interchanged, adiabatic processes may be considered a subset of isocaloric processes ; the remaining complement subset of isocaloric processes being processes where net heat transfer does not diverge regionally such as in an idealized case with mediums of infinite thermal conductivity or non-existent thermal capacity.

Although there have been attempts to show that the Ainu language and the Japanese language are related, modern scholars have rejected that the relationship goes beyond contact, such as the mutual borrowing of words between Japanese and Ainu.

Although originating in the mainland of Greece, use of the acropolis model quickly spread to Greek colonies such as the Dorian Lato on Crete during the Archaic Period.

Although the hardware is limited to four separate sound channels, software such as OctaMED uses software mixing to allow eight or more virtual channels, and it was possible for software to mix two hardware channels to achieve a single 14-bit resolution channel by playing with the volumes of the channels in such a way that one of the source channels contributes the most significant bits and the other the least.

Although the Turun Sanomat Building and Paimio Sanatorium are comparatively pure modernist works, they too carried the seeds of his questioning of such an orthodox modernist approach and a move to a more daring, synthetic attitude.

Although there are many other acropoleis in Greece, the significance of the Acropolis of Athens is such that it is commonly known as " The Acropolis " without qualification.

Although Afrikaans adopted words from languages such as Malay, Portuguese, the Bantu languages, and the Khoisan languages, an estimated 90 to 95 percent of Afrikaans vocabulary is ultimately of Dutch origin.

Although the facilities at the range are managed by the 99th Air Base Wing at Nellis Air Force Base, the Groom facility appears to be run as an adjunct of the Air Materiel Command Air Force Flight Test Center ( AFFTC ) at Edwards Air Force Base in the Mojave Desert, around southwest of Groom, and as such the base is known as Air Force Flight Test Center ( Detachment 3 ).

Although such a conversion can be prone to loss, most modern audio systems use this approach as the techniques of digital signal processing are much more powerful and efficient than analog domain signal processing.

Although there are few examples of such systems competitive with traditional analysis techniques, potential advantages include size / portability, speed, and cost.

Although not called as such, machines performing the role recognizable as artillery have been employed in warfare since antiquity.

Although Carolla often supports social viewpoints traditionally dominated by liberal politicians, such as his support for abortion and the legalization of marijuana, his socio-political views tend to be largely conservative or libertarian.

Although observations of some aerodynamic effects such as wind resistance ( e. g. drag ) were recorded by Aristotle, Leonardo da Vinci and Galileo Galilei, very little effort was made to develop a rigorous quantitative theory of air flow prior to the 17th century.

Although most aspirated obstruents in the world's language are stops and affricates, aspirated fricatives such as, or have also been documented in a few Tibeto-Burman languages, in some Oto-Manguean languages and in the Siouan language Ofo.

Although both polysaccharide classes share the same galactose-based backbone, agaropectin is heavily modified with acidic side-groups, such as sulfate and pyruvate.

Although oxidation reactions are crucial for life, they can also be damaging ; plants and animals maintain complex systems of multiple types of antioxidants, such as glutathione, vitamin C, and vitamin E as well as enzymes such as catalase, superoxide dismutase and various peroxidases.