Many hypotheses on the evolutionary origins of the universal genetic code have been proposed.

Many scientists argue that the Permian-Triassic extinction event was caused by a combination of some or all of the hypotheses above and other factors ; the formation of Pangaea decreased the number of coastal habitats and may have contributed to the extinction of many clades.

Many hypotheses have been proposed to explain the putative causes of stasis.

Many of these hypotheses are already considered to be adequately tested, with new ones always in the making and perhaps untested.

Many hypotheses have been proposed, ranging from including runaway breakdown to locally enhanced electric fields near elongated water droplets or ice crystals.

Many hypotheses have been raised for environmental contributants to the pathogenesis of ulcerative colitis.

Many of these hypotheses are already considered to be adequately tested, with new ones always in the making and perhaps untested.

Many hypotheses have been put forward to explain the function of schooling, such as predator confusion, reduced risk of being found, better orientation, and synchronized hunting.

Many young Earth creationists distinguish their own hypotheses from the " Omphalos hypothesis ", today more commonly referred to as the apparent age concept, put forth by the naturalist and science writer Philip Henry Gosse.

Many hypotheses for an Urheimat have been proposed.

Many hypotheses have been formulated regarding the identity and meaning of the figures around God.

Many different hypotheses have been advanced to address the genetic basis for hybrid inferiority in the heterogametic sex.

Many hypotheses have been advanced as to what functions the cranial crest of Parasaurolophus performed, but most have been discredited.

Many other luthiers attempt to recreate the guitars of the " Golden Era " of C. F.

Many had perished from scurvy, while others ( including Captain Arnaud ) died during a failed attempt to sail after a passing ship to fetch help.

Many worms that have been created are designed only to spread, and don't attempt to change the systems they pass through.

Many theoretical perspectives attempt to explain development ; among the most prominent are: Jean Piaget's Stage Theory, Lev Vygotsky's Social constructivism ( and its heirs, the Cultural Theory of Development of Michael Cole, and the Ecological Systems Theory of Urie Bronfenbrenner ), Albert Bandura's Social learning theory, and the information processing framework employed by cognitive psychology.

Many betting systems have been created in an attempt to " beat the bookie " but most still accept that no system can make an unprofitable bet profitable over time.

Many CD authoring applications attempt to get around the filename length by truncating filenames automatically, but do so at the risk of breaking applications that rely on a specific file structure.

Many historians, archaeologists and adventurers have reconstructed longships in an attempt to understand how they worked.

Many Irish members of the British Army were interned there until the end of the war and at one stage they were visited by the Irish republican leader Roger Casement in an attempt to win recruits for the forthcoming Irish rebellion.

* Many patients with existing pulmonary disorders may not tolerate pneumoperitoneum ( gas in the abdominal cavity ), resulting in a need for conversion to open surgery after the initial attempt at laparoscopic approach.

Many of the errors made by the Germans during the rescue attempt were ultimately detailed by Heinz Hohensinn, who had participated in the operation, but had taken early retirement and had no pension to lose.

Many see an attempt to model a system as complex as a modern economy by a mathematical model as unrealistic and doomed to failure.

Many pagans and pagan traditions attempt to incorporate elements of historical religions, cultures and mythologies into their beliefs and practices, often emphasizing the age of their sources.

Many prominent physicists, including Stephen Hawking, have labored for many years in the attempt to discover a theory underlying everything.

Many professionals in this discipline attempt to find general rules that apply to all natural languages.

Many dog trainers usually attempt to avoid this behavior by keeping them busy with new activities.

Many crimes which are now commonly prosecuted such as attempt, conspiracy, libel and perjury were originally developed by the Court of Star Chamber, along with its more common role of dealing with riots and sedition.

Many think tanks, however, purposefully attempt to alleviate this problem by selecting members from diverse backgrounds.

Many saw the Sacred Music suites as an attempt to reinforce commercial support for organized religion, though Ellington simply said it was, " the most important thing I've done.

Many films have been created which attempt to use a historic event or setting as a backdrop and actors portray fictional or historical figures set in these events.

First owned and published by Alexander Macmillan, Nature was similar to its predecessors in its attempt to “ provide cultivated readers with an accessible forum for reading about advances in scientific knowledge .” Janet Browne has proposed that “ far more than any other science journal of the period, Nature was conceived, born, and raised to serve polemic purpose .” Many of the early editions of Nature consisted of articles written by members of a group that called itself the X Club, a group of scientists known for having liberal, progressive, and somewhat controversial scientific beliefs relative to the time period.

Many are run over as they attempt to cross roadways.

Many NGOs do not focus at all on reducing poverty on a national or international scale, but rather attempt to improve quality of life for individuals or communities.

Many times, the AI in this stage will often attempt to transfer itself into larger computer systems.

Many professionals in this discipline attempt to find general rules that apply to all natural languages in the context of historical linguistics, how characteristics of sentence structure in related languages changed over time.

Many recent examples are " backronyms " ( acronyms made up to explain a term ), as in " snob ", and " posh " for " port outward, starboard homeward "; many other sourced examples are listed in the article on backronyms.

Many Hindus see God's direct involvement in this process ; others consider the natural laws of causation sufficient to explain the effects of karma.

Many large boats emit very low frequencies which confuse the manatee and explain their lack of awareness around boats.

Many theories have been proposed by parapsychologists to explain how psi takes place.

Many religions have narratives, symbols, traditions and sacred histories that are intended to give meaning to life or to explain the origin of life or the universe.

Many authors have speculated that werewolf legends may have been used to explain serial killings.

Many theories were advanced to explain these bursts, most of which posited nearby sources within the Milky Way Galaxy.

Many researchers focus on the brain to explain aggression.

Many legends have been told to explain the formation of the naupaka's unique half flowers.

Many Holocaust theologians understandably reject applying traditional Jewish explanations for suffering, that look for sins of the people, to explain or contribute to explaining the events.

Many barrows lie over graves and are monuments to the deceased, but as the barrow at Maiden Castle did not cover any burials, it has been suggested that it was a boundary marker, which would explain the limited human activity on the hilltop for the 500 years after the bank barrow's construction.

Many theories have been advanced to explain the reasons for the migration.

Many factors explain this seeming contradiction, including a different time of bombing than Hiroshima, terrain, and crucially, a lower fuel loading in the city than that of Hiroshima.

Many years later, in the early 1960s, upon finding the birth certificate that stated his name was " Faye Robert Coffman ", Gilmore thought that he had been illegitimate or someone else's son, felt that it was the reason he and his father did not ever get along, and he was very upset and walked out on his mother, Bessie, when she tried to explain to him.

While studying, Gaudron attempted to obtain articles of clerkship ( then five years in duration ), but was not successful ; as she later said, " Many distinguished lawyers took a lot of trouble and effort to explain to me that it was not their policy to take on women as articled clerks.

Many have attempted to explain the manifestation of the Vision Serpent in association with Maya bloodletting.

Many years later, Tierney made an effort to explain his understanding of the significance of what he had personally witnessed: " Apology is a very important thing in Japan.

Many scholars now believe that ogbanje stories were attempting to explain children with sickle-cell anemia, which is endemic to West Africa and afflicts around one-quarter of the population.

Many doctors exhibit innumeracy when attempting to explain a graph or statistics to a patient.

Many theories have attempted to explain why pre-eclampsia arises, and have linked the syndrome to the presence of the following:

File: Seal_of_California_ ( Building_Detail_-_No_Building ), _1960, _1304_O_Street, _Sacramento, _California. jpg | 1960: Many seals found on state buildings from approximately 1960-1980 do not show the building, which might explain why the 1967 official color scheme makes no mention of it