Because a person's DNA contains information that has been passed down relatively unchanged from early ancestors, analysis of DNA is sometimes used for genealogical research.

Because some people have both Bacon and Erdős numbers due to acting and publications, there are a rare few who have an Erdős – Bacon number, which is defined as the sum of a person's independent Erdős and Bacon numbers.

) Because a toric lens must have the proper orientation to correct for a person's astigmatism, a toric contact lens must have additional design characteristics to prevent the lens from rotating out of the ideal alignment.

Because mtDNA is transmitted from mother to child ( both male and female ), it can be a useful tool in genealogical research into a person's maternal line.

Because the amount of stressors in a person's life often ( although not always ) correlates with the amount of stress that person experiences, researchers combine the results of stress and burnout self-tests.

Because a person's hands are used in breaking falls, being handcuffed introduces a significant risk of injury if the prisoner trips or stumbles, in addition to injuries sustained from overly tight handcuffs causing Handcuff Neuropathy.

Because many changes in body composition ( such as fat and muscle loss or gain ) do not affect the weight of cremated remains, the weight of the remains can be more closely predicted from the person's height and sex ( which predicts skeletal weight ), than it can be predicted from the person's simple weight.

Because a life estate ceases to exist at the death of the measuring person's life, this temporary ownership agreement cannot be left to heirs ( intestate ) or devisees ( testate ), and the life estate cannot normally be inherited ( but see Life Estate pur autre vie, and Estate for Term of years ).

Because commission of these offenses is so serious, the Church forbids the excommunicated from receiving any sacrament ( not just the Eucharist ) and also severely restricts the person's participation in other Church liturgical acts and offices.

Because of the extremely high burden of proof on the plaintiff, and the difficulty in proving essentially what is inside a person's head, such cases — when they involve public figures — rarely prevail.

Because of this, classical Arab and Persian poets around 1 CE referred to someone's lack of generosity by saying that the person's hand made " ninety-three ".

Because of the complex structure of the capillaries that supply the retina with blood, each person's retina is unique.

Because estrogens by themselves are not able to alter a person's voice range or pitch, some people proceed to seek treatment.

Because the distance of each person's step varies, an informal calibration, performed by the user, is required if presentation of the distance covered in a unit of length ( such as in kilometres or miles ) is desired.

Because a silhouette emphasises the outline, the word has also been used in the fields of fashion and fitness to describe the shape of a person's body or the shape created by wearing clothing of a particular style or period.

Because of this, a person's social standing is determined by the number of times that he or she can perform magic.

Because a person's moral estimation is limited, people are better off drawing from the " general bank and capital of nations and of ages " than from their own intellects.

Because these symptoms are not specific to swine flu, a differential diagnosis of probable swine flu requires not only symptoms, but also a high likelihood of swine flu due to the person's recent history.

Because of this, a person's dignity and honor could be damaged by racial prejudices.

Because of the many measurements needed, the amount of time needed to find the shape of a person's auditory filters is very long.

Because each person's pinnae are unique, and because the filtering they impose on sound directionality is learned by each person from early childhood, the use of pinnae during recording that are not the same as the ultimate listener may lead to perceptual confusion.

Because it takes Uranus 84 years to travel through the zodiac, transiting Uranus just might conjoin the natal Uranus within a person's lifetime.

Because very few wells and springs have water throughout the year, the herders leave with the end of the rains, turning over the land to the antelopes, gazelles, and ostriches that can survive with little groundwater.

Because the length of the lunar month is not an even fraction of the length of the tropical year, a purely lunar calendar quickly drifts against the seasons, which don't vary much near the equator.

Because the number of days in the tropical year is not a whole number, a solar calendar must have a different number of days in different years.

Because the sun's mean motion was used to calculate the jieqi, or seasonal markings, until 1645, this intercalary month was equally likely to occur after any month of the year.

Because the Julian calendar's implicit solar year has drifted further over the centuries than those of the Gregorian or Hebrew calendars, Julian Easter is a lunation later than Gregorian Easter in five years out of nineteen, namely years 3, 8, 11, 14, and 19 of the Christian cycle.

Because of the roughly eleven-day difference between twelve lunar months and one solar year, the length of the Hebrew calendar year varies in the repeating 19-year Metonic cycle of 235 lunar months, with the intercalary month added according to defined rules every two or three years, for a total of 7 times per 19 years.

Because of the relative difficulty reaching the park and its seasonal closing, fewer than 20, 000 people a year visit Isle Royale-fewer than the number of people who visit the most popular national parks in a single day.

Because the Albinus ' journey to Alexandria had to have concluded no later than the summer of 62 AD, the date of James ' death can be assigned with some certainty to around that year.

Because of their slow metabolism, large dragons can survive on as little as 12 meals a year.

Because of its altitude, the country remains cooler throughout the year than most other regions at the same latitude.

Because seasons and astronomical events do not repeat in a whole number of days, a calendar that had the same number of days in each year would, over time, drift with respect to the event it was supposed to track.

Because there are about twelve lunations ( synodic months ) in a solar year, this period ( 354. 37 days ) is sometimes referred to as a lunar year.

Because of the uniform water flow from Lake Ladoga to Neva over the whole year, there is almost no floods and corresponding water rise in the spring.

* 1582 – Because of the implementation of the Gregorian calendar this day does not exist in this year in Italy, Poland, Portugal and Spain.

* 1582 – Because of the implementation of the Gregorian calendar, this day does not exist in this year in Italy, Poland, Portugal and Spain.

* 1582 – Because of the implementation of the Gregorian calendar this day does not exist in this year in Italy, Poland, Portugal and Spain.

* 1582 – Because of the implementation of the Gregorian calendar this day does not exist in this year in Italy, Poland, Portugal and Spain.

* 1582 – Because of the implementation of the Gregorian calendar this day does not exist in this year in Italy, Poland, Portugal and Spain.

* 1582 – Because of the implementation of the Gregorian calendar this day does not exist in this year in Italy, Poland, Portugal and Spain.

* 1582 – Because of the implementation of the Gregorian calendar, this day does not exist in this year in Italy, Poland, Portugal and Spain.

* 1582 – Because of the implementation of the Gregorian calendar, this day does not exist in this year in Italy, Poland, Portugal and Spain.

Because of Jackson's star power, the Fox network declined to broadcast counter-programming against the halftime show like they did during Super Bowl XXVI's show in the previous year ( Fox aired a special live edition of In Living Color on that occasion ).