Thus, several civilizations may come and go during the lifespan of one and the same planet.

The exploitation of human clones for dangerous and undesirable work was examined in the 2009 British science fiction film Moon, where the protagonist discovers that he is simply one clone out of many that maintain a mining camp on the moon during the duration of a three year lifespan.

The biological lifespan to death from senescence can be 16 years or more, however ; one was recorded to have lived almost 24 years.

Defective batteries in one string can adversely affect the operation and lifespan of good / new batteries in other strings.

Human females, however, spend over one third of their lifespan in a post-reproductive phase.

If the legend were true, and if the priests were able to move disks at a rate of one per second, using the smallest number of moves, it would take them 2 < sup > 64 </ sup >− 1 seconds or roughly 585 billion years or 18, 446, 744, 073, 709, 551, 615 turns to finish, much longer than the predicted lifespan of the sun.

It is described that the fugitives from the island " became lords and kings of Men " in the west of Middle-earth and soon under the leadership of one Elendil " of Númenórean race " finally overthrew Sauron ; a special attention is paid to the exiles ' " great tombs " for the dead and to the diminishing of their lifespan.

The lifespan of a Daphnia does not exceed one year and is largely temperature-dependent.

The longest recorded lifespan in the wild is that of a female Broad-tailed Hummingbird that was banded ( ringed ) as an adult at least one year old, then recaptured 11 years later, making her at least 12 years old.

Even though people are living longer and longer it would take a lifespan extension beyond most scientists ' forecasts for any one individual to live throughout the entire trip.

An individual's writing styles change throughout the lifespan of a person ; a signature of President George Washington ( c. 1795 ) will be different from one when he was an 18-year-old land surveyor.

The most widely accepted view is that oxidative damage ( derived amongst other factors, from superoxide ) is but one of several factors limiting lifespan.

They have a typical lifespan of between one and two years.

When examining the body-size vs. lifespan relationship, one also observes that predatory mammals tend to live longer than prey mammals in a controlled environment, such as a zoo or nature reserve.

Interestingly, the same device that PC World called " one of the 50 greatest gadgets of the last 50 years " had a very short lifespan, from only about 1989-1994.

Because domesticated rats are protected from predators and have ready access to food, water, shelter, and medical care, their average lifespan is around 2 years, in contrast to wild R. norvegicus, which average a lifespan of less than one year.

As for the 1930s NBER definition quoted above, one could argue that its specificity to metal is obsolete, as it is quite common today for particular lathes, milling machines, and machining centers ( definitely machine tools ) to work exclusively on plastic cutting jobs throughout their whole working lifespan.

As they are long-lived birds, they may cover enormous distances during their lives ; one record-breaking Manx Shearwater is calculated to have flown 8 million km ( 5 million miles ) during its over-50 year lifespan.

Taking into account such extremely long-lived individuals, the average lifespan of the Barn Owl is about 4 years, and statistically two-thirds to three-quarters of all adults survive from one year to the next.

On the other hand, one study showed that activating telomerase in cancer-resistant mice by overexpressing its catalytic subunit extended lifespan.

In captivity, an Iriomote cat lived for an estimated fifteen years and one month, the longest known lifespan of any Iriomote cat ( see # Yon ).

He died on April 9, 2011 at the estimated age of fifteen years and one month, the longest confirmed lifespan of any Iriomote cat.

However, one study of a population off Sarasota, Florida indicated an average lifespan of 20 years or less.

It is one of the world's longest-living birds, with a lifespan of up to 100 years old in captivity.

" The duration of one manvantara, the lifespan of one Manu, is seventy-one Mahayugas, and each Mahayuga is 4, 320, 000 years ".

Median lifespan based on a UK Kennel Club survey is 9 years 1 month.

Its lifespan in captivity is around two to three years, although in ideal conditions, this may be extended to five years.

The JSAN is a near-direct port of the CPAN infrastructure for use with the JavaScript language, which for most of its lifespan did not have a cohesive " community ".

The lifespan of the capybara's sperm is longer than that of other rodents.

The infant is weaned at about three years old, but usually maintains a close relationship with its mother for several more years ; it reaches puberty at the age of eight to 10, and its lifespan in captivity is about 50 years.

In such a situation, a company's lifespan was measured by its burn rate: that is, the rate at which a non-profitable company lacking a viable business model ran through its capital served as the metric.

Obsidimen can live around 500 years away from their Liferock, and their ultimate lifespan is unknown, as they generally return to it and remain there.

Nutton believes that " On Theriac to Piso " is genuine, the Arabic sources are correct and that the Suda has erroneously interpreted the 70 years of Galen's career in the Arabic tradition as referring to his whole lifespan.

Gas masks have a limited useful lifespan that is related to the absorbent capacity of the filter.

This contrasts with a closed-ended fund, which either has a limited number of shares which are traded among investors, and which distributes its profits, or which has a limited lifespan at the end of which capital is returned to investors.

There is little reliable information about the lifespan of the koala, but in captivity they have been observed to reach the age of 18 years.

Their lifespan is up to 40 or 45 years.

He is best known for his book The Decline of the West ( Der Untergang des Abendlandes ), published in 1918 and 1922, where he proposed a new theory, according to which the lifespan of civilizations is limited and ultimately they decay.

Since habitats have a lifespan measured in millennia this is regarded as a form of immortality.

The lifespan of parliament is limited by the constitution to five years and, though the governor general may still, on the advice of the prime minister, dissolve parliament and issue the writs of election prior to the date mandated by the Canada Elections Act ; the King-Byng Affair was the only time since Confederation that the viceroy deemed it necessary to refuse his prime minister's request for a general vote.

The average lifespan is between eight and 10 years, but individuals have been known to reach 15 years.

The average lifespan of any given rat depends on which species is being discussed, but many only live about a year due to predation.

The expected rabbit lifespan is about 9 – 12 years ; the world's longest-lived was 18 years.

Kes is an Ocampa, a race native to the Delta Quadrant, with a lifespan of only 9 years.

The Sun is thought to be in the middle of its lifespan ; thus, it is currently on the main sequence.

Scorpions have quite variable lifespans and the actual lifespan of most species is not known.